Physics Subject A car is moving at uniform acceleration. Its velocity after traveling for 2 seconds is 4m/s and is found 12 meters from where it started. If the car’s velocity at 5 seconds is 10 m/s, determine (a) the car’s acceleration (b) its displacement at t = 5 seconds measured from its starting point (c) its velocity at the start.

Q: A = -1.5î + 3.0) and B = 3î + 6) 1. Find C = À + B 2. Find E = B – 2Ã 3. Find magnityde and direçtio...

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Q: 1. Using the following vectors, find the magnitude and direction of the resultant vector. A = 3.00mi...

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Q: A marksman at rest fires a 3.75 kg gun that expels a bullet of mass 0.0120 kg with a velocity of 191...

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Q: 4. A unifom electric field has a magnitude of 6 N/C is directed downward. Solve for th magnitude and...

A: Part (2): Given:    The strength of the electric field is 6 N/C is directed downward. The charge of ...

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Q: A plane trying to land hits the ground at a speed of 100 m/s. If the acceleration of the plane is 5 ...

A: Given :- initial speed u= 100 m/s           Acceleration of plane a= 5 m/s2          Final speed v=0...

Q: 30 0 ww 160 150 100 ww ww ww 120 200 100 V 35 2

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Q: a=5 and b=1 1.Rudolph pulls a wagon in an inclined plane, 3a degrees of inclination. The weight of ...

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Q: 6. Consider the system shown in the figure. Block A weighs 45.0 N and block B weighs 25.ON. Once blo...

A: Given data: Weight of block A ( WA )= 45 N Weight of block B ( WB )  = 25 N Weight of cat Wcat = 45 ...

Q: Figure below is a graph that shows the velocity of an object along a straight line plotted against t...

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Q: x(m) 10 4 12345 6 -2 (s)

A: Asked: Displacement covered for t= 0 to 4 s.

Q: two positive point charges, q1=+16uc and q2=+4uc, are located on the x-axis of a coordinate plane. c...

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Q: Four charges were arranged in space such that they form a rectangular configuration. The magnitude o...

A: first charge = 2 nC second charge = 3 nC third charge = 2 nC fourth charge = 3 nCLength of rectange ...

Q: 9) What is the total initial aceleration of a tether ball on a 2.0 m rope whose angular velocity cha...

A: Given  Length of rope, L = 2.0 m  Angular velocity, initial, wi = 13 rad/sec  Angular velocity, Fina...

Q: Three point charges lie on the x axis: q1 = 2.00 µC is at x = 0; q2 = 4.00 µC is at x = 2.00 m; q3 i...

A: Given  Charge q1 = 2.0 uC   at x = 0  Charge q2 = 4.0 uC at x = 2.0 m  Charge q3 = Q at x = 4.0 m  N...

Q: man, 1.81 m tall is walking on a horizontal street at 3.7 kph away from a vertical street light, 3.7...

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Q: (3)A person in a car that is struck from behind can receive a serious neck injury called whiplash du...

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Q: A point on the rim of a wheel moves with a velocity of 95 feet per second. Find the angular velocity...

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Q: A 110.-kg uniform ladder is tied at its bottom on the wall using a wire shown in the figure. The flo...

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Q: There are four sample P,Q,R and S with natural frequencies 66, 98, 130 and 258 Hz respectively. They...

A: Answe:- R  

Q: Determine the magnitude of the gravitational acceleration of a 1200 kg satellite in geosynchronous o...

A: Given :  Mass of satellite = 1200 kg  Radius of earth = 6371 km Mass of earth = 5.972 ×10²⁴ kg

Q: An automobile tire is inflated with air originally at 10.0°C and normal atmospheric pressure. During...

A: The given data   The initial temperature T1 = 10+273 = 283K The final temperature T2 = 42+273 = 315 ...

Q: 3. In a baseball game, a 200 - g ball moving at 13.2 m/s is hit by a bat. After the impact, the ball...

A: Given value--- mass = 200 g. initial speed = 13.2 m/s. final speed = 17.6 m/s. Force = 670 N. We h...

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Q: A fireman at the scene of a fire is holding a heavy hose out of which water is gushing. To keep his ...

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Q: (a) A 35.5-m length of copper wire at 20.0°C has a radius of 0.31 mm. If a potential difference of 7...

A: length of copper wire = 35.5 m Initial temperature = 20o C radius (r) = 0.31 mm Potential difference...

Q: What is true about the mass of an astronaut on Earth and in space if an object has a mass of 50 kg? ...

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Q: 1. A driver is travelling with a speed of 31 km/hr when he accelerates for 4.7 s, his speed has been...

A: In this question we have to find the acceleration and distance travelled. Please give positive feedb...

Q: Direction: Read and answer the following problems using the factor-label method or dimensional analy...

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Q: A car moving at 35 m/s approaches a stationary whistle that emits a 220 Hz sound. The speed of sound...

A: Given that:- f0=Observer frequency of sound=?fs=Actual frequency of sound waves =220 Hzv=Speed of so...

Q: 1. Two charges, Q1 = +60.0x106 C and Q2 =-40.0 x 106 C, are 1.20m apart. a. Draw a sketch of the pro...

A: Given  Q1 = 60*10-6 C  Q2 = -40.0*10-6 C  D = 1.20 m

Q: A stronger electromagnet can be made by Magnetic force Transformer Electric generator Magnetic pole

A: The answer is below

Q: 7.57 • In a truck-loading station at a post office, a small 0.200 kg package is released from rest a...

A:  Given initial speed =4.8m/s  Final speed =0m/s  Displacement 3m We have to find the kinetic frictio...

Q: A slingshot fires a pebble from the top of a building at a speed of 14.0 m/s. The building is 27.0 m...

A: (a) When fired horizontally:- vx=14 m/svy=2gh=2×9.8×27=23 m/s Hence, v=vx2+vy2v=142+232v=26.93 m/s  ...

Q: You push your physics book 2.10 m along a horizontal tabletop with a horizontal push of 2.10 N while...

A: Here, we calculate the given as follow,

Q: small vibrating object on the surface of a ripple tank is the source of waves of frequency 20 Hz and...

A: We are authorized to answer one Question at a time, since you have not mentioned which question you ...

Q: The voltage across the 20 kOhm Resistors is Volts. 5 k. + + I)

A: According to question we need to find voltage across 20 k ohm resistance?

Q: Problem: A student ( having a mass of 49 kg) falls freely from rest and strikes the ground. He comes...

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Q: solid conducting fly-wheel 1.0 m in diameter, is revolving on a horizontal axle which lies in the ma...

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Q: The position of a particle moving along an x axis is given byx- 12 n - 2.00r, where x is in meters a...

A: Here, we calculate the given as follow;

Q: 8) (a) An object is launched from ground level with an initial velocity vo at angle 0 above the hori...

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Q: Two particles of masses 1 kg and 2 kg are moving towards each other with equal speed of 3 m/sec. The...

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Q: 1. What is the magnitude and direction of 2. What is the magnitude and direction of AB? RT? В R 8.5 ...

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Q: (a) When a 6.50-v battery is connected to the plates of a capacitor, it stores a charge of 32.0 µc. ...

A: Since, Q=CV where, Q=Charge stored by the capacitor C=CapacitanceV=Voltage

Q: 4. An air traffic controller notices two signals from two planes on the radar monitor. One plane is ...

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Q: You roll a bowling ball across a pool deck at 6 m/s and it launches horizontally into the pool. The ...

A: Given data:  Initial velocity in horizontal direction (v0x) = 6 m/s Initial velocity in vertical dir...

Q: the earth has a mass of 5.97 x 10^24 kg and the sun has a mass of 2.00 x 10^30 kg. If they are separ...

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Q: Does the acceleration of the balls change with the angle of incline? How does it affect the accelera...

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Distance and Speed

The speed, distance and time relation forms the basis of study of motion. You will need these concepts in the study of Mechanics. This concept is applicable for students who are studying the following courses –