A student bikes to school by traveling first N = 1.00 miles north, then W = 0.400 miles west, and finally S = 0.200 miles south.  a. If a bird were to start out from the origin (where the student starts) and fly directly (in a straight line) to the school, what distance would the bird cover? b. Finally, find ϕ, the angle north of west of the path followed by the bird.

Q: A proton (charge = +1.602 x 10-19 C, mass parallel plate apparatus. The electricity used to charge…

A: a) Using Energy =12mv2=1.67·10-27·6.6·10522=3.63726×10-16 Joules

Q: Two consecutive harmonic in mixture of sounde produced by closed end organ are 1100Hz and 1833Hz if…

A: Given, Fn = 1100 Hz Fn+2 = 1833 Hz  v = 330 m/s

Q: determine the resistance of the following: a) nichrome wire for heating element of an electric…

A: A) nichrome wire length = 190 cm diameter = 0.05 cm

Q: A 3000 kg truck moves at 10 m/s collides with a 1000 kg car traveling at 30 m/s in the same…

A:

Q: The original number of atoms in a sample of a radioactive element is 4.00x10-0 . Find the time it…

A:

Q: A velocity vector 49∘ above the positive x-axis has a y-component of 10 m/s. What is the value of…

A:

Q: Ocean tides are the result of the combined gravitational effects of the Sun and Moon upon Earth. If…

A: Ocean tides are the result of the combined gravitational effects of the Sun and the Moon upon Earth.…

Q: The cost to operate a clothes dryer for a year is $80.25. If the rate for electrical energy is…

A:

Q: Why is a proton positively charged?

A:

Q: A 25-N force is applied to a 5-kg ball to change its velocity from 25m/s to 5m/s. The impulse is…

A:

Q: As shown in the figure below, there are four (A, B, C and D) springs whose two ends are fixed with…

A: Due to all the physical quantity of all springs are same . velocity of wave in all springs are same…

Q: A 2.0-keV deuteron passes undeviated through a velocity selector with a magnetic field of 40 mT.…

A: F = magnetic force acting on a moving charge particle = q(V × B)  v = speed vector B = magnetic…

Q: 19. Which of the following would step-down the voltage that comes in to a transformer? Select all…

A:

Q: The spring in a scale is compressed by 1.62 cm when a mass of 500.00 g is placed on it. How much…

A: GIVEN Mass of the object = 500 gm compression in spring = 1.62 cm Mass of other object = 347 gm To…

Q: 14. The ejection of electrons from the atom when light hits the material.

A: Photoelectric effect:- When a light of frequency greater than the threshold frequency fall on the…

Q: An inclined plane makes 35 degrees with the horizontal. What force is needed to keep an 345 kg…

A: Angle(θ) = 35° Mass(m) = 354 kg g=9.8 m/s2

Q: a) How many Joules of energy are needed to keep a 225 Watt ceiling fan (with lights) working for 1…

A:

Q: 11. How much heat is needed to boil 5.0kg of water at its boiling point ? The latent heat of…

A:

Q: wo pure tones are sounded together. The drawing shows the pressure variations of the two sound…

A: The pressure variations for two pure tones is shown in the figure

Q: An ideal gas (y = 1.4) follows the cycle given by the table below. State P (atm)| V (L) 100 1 1.0…

A: a) Draw the pressure-volume diagram of the cycle.

Q: 8. Given ä = 31 + 4j – 3k, b= –4ỉ – 2j + 6k and i = [10,t,–15] , find the value of t such that a) b…

A: The given vectors are: a→=3i^+4j^-3k^b→=-4i^-2j^+6k^c→=10i^+tj^-15k^

Q: Find the currents in the following networks. 43. 10Ω 44. 3800 V 13 50 2 I2 20 Ω I3 I2 80 2 220 V 40…

A:

Q: An 8.5-kg block is pushed along a horizontal rough surface by a 40-N force inclined at 20' with the…

A: The free-body diagram of the block is shown below. Here, N, P, m, and μ are the normal force,…

Q: If the weight (W) in the cable of a lift is greater than its tension, the lift is Select one: O a.…

A:

Q: 200 g mass is hung at the zero mark of a meter stick (mass 25g).  If the pivot point is at the 10 cm…

A:

Q: Compare the following two waves a microwave moving through space with a wavelength and a sound wave…

A: Given:-  The microwave wavelength is λ = 15 cm  the sound wave  has the same wavelength λ = 15 cm…

Q: Part A A triangular array of resistors is shown in the figure (Figure 1). What current will this…

A:

Q: Vertically polarized light of intensity lo is incident on a polarizer whose transmission axis is at…

A:

Q: What is the magnitude of the magnetic field at the center of a loop of radius R = 5 cm and carrying…

A: Given data :- Radius R = 5 cm = 0.05 m Current I = 2 A μo/4π = 10-7  T.m/A

Q: A bus stopped at a traffic light. Its position is given by x(t)=38.0m + (22.4 m/s)t -…

A:

Q: The pipes of a pipe organ function as open pipes (open at both ends). A certain pipe must produce a…

A: Determine the speed of sound at a temperature of 150C.

Q: A 64-pC hypothetical charge of mass 44 fg travels at 81 km/s. It is ejected southward thus entering…

A: In this case magnetic force provide centripetal force due to that charge moves in a circular path

Q: The dimensions of a box are given as follows: length=27.3cm width=15.5 heigth=5.4cm  Calculate the…

A: The length of a box is,                                      l = 27.3 cm The width of the box is,…

Q: Problem 3:  Suppose a 500-mL beaker is filled to the brim with ethyl alcohol at a temperature of…

A: Given Volume of the beaker is V=500 mL Initial temperature is ti=5.00°C Final temperature is…

Q: At a stoplight, a large truck (2000 kg) collides with a motionless small car (800 kg). The truck…

A: Conservation of linear momentum  Initial momentum of car + truck = final momentum of car + truck

Q: Draw the free body diagram for a 0.65 kg fish hanging from a Newton spring scale. MA roueaujroer 4A…

A: Given in question - mass of fish(m) = 0.65 kg.   Here, first we will observe the forces acting on…

Q: A conducting sphere of radius 0.01m has a charge of 1.0 × 10−9 C deposited on it (k = 9 × 109 Nm2…

A: The answer is below

Q: Hi! I need help with this problem and to see all the work please :) and I know that you can only do…

A:

Q: • Three charged objects are placed as shown. Find the net force on the object with the charge of 4 x…

A:

Q: Two boats leave the port at the same time. Boat A has a velocity of (-3t+ 2j) m/s and boat B has a…

A:

Q: A 1200-kg car moving at 15.6 m/s suddenly collides with a stationary car of mass 1500 kg. If the two…

A:

Q: elevator is a) stationary. b) moving up at a constant 2.5 m/s. C) accelerating downward at 1.75…

A: Given:-  A man moving in an elevator and mass of the mas m = 65 kg  Find:-  The normal force on the…

Q: A hypothetical charge 36pC with mass 72fg has a speed of 53 km/s and is ejected southward entering a…

A:

Q: A 2.0-keV deuteron passes undeviated through a velocity selector with a magnetic field of 40 mT.…

A: Given Kinetic energy of deuteron is given as K=2.0 keV=2.0×103×1.60×10-19 J=3.2×10-16 J Magnetic…

Q: As the distance from the surface of the Earth increases, the force of gravi

A: 1. As the distance from the surface of earth increases

Q: QUESTION 39 As shown in the figure below, Blocks A and B, with masses of ma and mB respectively, sit…

A: For rotation equilibrium net torque should y equal to zero

Q: A position vector with magnitude 20 m points to the right and up. Its x-component is 16 m . What is…

A: Magnitude (r) = 20 m X- component (x)= 16 m

Q: 2. Two cars, both with mass m, collide and stick together. Prior to the collision, one car had been…

A:

Q: s to the top of a 3600-m-high mountain. The climb is made in 6.0 h starting at an elevation of 2200…

A: Given:-  The mass of the hiker m = 60 kg  The height of the mountain H = 3600 m  The time taken to…

Q: A thin, convergent lens has a focal length of 8.10 cm. If the object distance is 30.0 cm, find the…

A: Given: The focal length of the converging lens is 8.1 cm. The distance of the object is 30 cm.

Scalars and Vectors

Scalars and Vectors are the classification of physical quantities that are used to denote various terms in physics.