Solve using conservation of E. A 30.0 kg block slides 8.00 m down a ramp with a height of 4.50 m. How fast was the block at the bottom of the ramp? (muk= 0.250) Correct answer: 7.47 m/s

A man on a motorcycle plans to make a jump as shown in the figure. h If he leaves the ramp with a speed of 29.5 m/s and has a speed of 28.0 m/s at the top of his trajectory, determine his maximum height (h) (in m) above the end of the ramp. Ignore friction and air resistance. m

A block slides down a frictionless inclined ramp. If the ramp angle is 17.0° and its length is 30.0 m,find the speed of the block as it reaches the bottom of the ramp, assuming it started sliding fromrest at the top.A) 172 m/s B) 24.0 m/s C) 9.26 m/s D) 13.1 m/s

Consider the frictionless water slide in the figure below. h₁ h₂ B 1. If a 13.00kg dog starts from rest and slides down the water slide, which has a height of h₁-8.00m, determine the speed of the dog at point A when it leaves the slide. m S 2. If the dog takes 0.90s to reach the water, what is h₂, the height of the slide's exit point? (HINT: The dog's velocity when it leaves the slide is only in the horizontal direction.) 7.94m 3.97m 15.24m 11.27m Less than Equal 3. If the slide had friction, would the dog's velocity at point A be greater than, less than, or equal to the velocity without friction? Greater than

A block slides down a frictionless inclined ramp. If the ramp angle is 17.0° and its length is  30.0 m find the speed of the block as it reaches the bottom of the ramp, assuming it started sliding from rest at the top. A)24.0 m/s B)13.1 m/s C)172 m/s D)9.26 m/s

A0.28-kg rock is thrown vertically upward from the top of a cliff that is 31 m high. When it hits the ground at the base of the cliff, the rock has a speed of 30 m/s . You may want to review (Pages 234 -241) - Part A Assuming that air resistance can be ignored, find the initial speed of the rock. Express your answer using two significant figures. ? m/s Submit Requeet Answer Part B Find the greatest height of the rock as measured from the base of the cliff. Express your answer using two significant figures. Hmar = Submit Requeet Anewer

A skater skates down a frictionless ramp from a height of 5.0 m. What is his speed at the bottom of the ramp? 25 m/s 7.0 m/s 9.9 m/s cannot be determined

A skier at the top of a 12-m-high ski slope has an initial speed of 4.0 m/s. What is the speed of the skier when she arrives at the 3.0-m peak of the smaller hill? 24 12 m O a. 17 m/s O b. 20 m/s O c. 14 m/s O d. 23 m/s O e. 11 m/s m S 4.0- 3.0 m QUESTION 2 A 5.0-kg is sliding in a straight line on a level surface with an initial speed of of 6.0 m/s. If the coefficient of kinetic friction between the block and the surface is 0.50, how long will it take for the block to come to rest? O a. 1.2 s O b. 1.4 s O c. 1.8 s O d. 1.0 s O e. 1.6 s

A water slide is constructed so that swimmers, starting from rest at the top of the slide, leave the end of the slide traveling horizontally: As the drawing shows, one person hits the water 5.00 m from the end of the slide in a time of 0.520 s after leaving the slide. Ignore friction and air resistance, find the height Hin the drawing. Water slide 5.00 m Number 9.3 Units

The 70-kg boy slides down the smooth water slide. If he starts from rest at A, determine his speed when he reaches B and the normal reaction the slide exerts on the boy at this point. Y= 0.075x2 7.5m B 10m