• W = Fnet x d W = (250 + 250 – 180)10 W = 3200 J 3. A 10 kg monkey with a 1 kg banana climbs to the top of a 10 m palm tree. What is the monkey’s potential energy? PE = mgh PE = 10(10)10 PE = 1000 J 4. A 25 kg skier starts from rest and moves down a 30° incline. At the bottom of the run he is a vertical distance of 110 m below his starting ...
  • A 75 kg skier starts from rest and slides down a 32 m slope that is inclined at an angle of 15° with the horizontal. Final velocity of the skier is 10 m/s. Calculate the work done by gravity, the work done by the normal force, the work done by friction, the force of friction (assuming it is constant), and the coefficient of kinetic friction.
  • Find his speed 5.00 m above the water surface. Neglect air resistance. 9.9 m/s Example 5.3 A skier slides down the frictionless slope as shown. What is the skier’s speed at the bottom? H=40 m L=250 m start finish 28.0 m/s Three identical balls are thrown from the top of a building with the same initial speed. Initially, Ball 1 moves horizontally.
  • Apr 04, 2015 · HB,14-25: The skier starts from rest at A and travels down the ramp. If friction and air resistance can be neglected, determine his speed vB when he reaches B. Also, find the distance s to where he strikes the ground at C, if he makes the jump traveling horizontally at B. Neglect the skier’s size. He has a mass of 70 kg
  • Apr 04, 2015 · HB,14-25: The skier starts from rest at A and travels down the ramp. If friction and air resistance can be neglected, determine his speed vB when he reaches B. Also, find the distance s to where he strikes the ground at C, if he makes the jump traveling horizontally at B. Neglect the skier’s size. He has a mass of 70 kg
  • A skier with a mass of 62 kg is sliding down a snowy slope at a constant velocity. Find the coefficient of kinetic friction for the skier if friction is known to be 45.0 N. Strategy
A 0.50 kg block slides down a frictionless 30° incline, starting from rest. The work done by the net force on this block after sliding for 4.0 s is: (96 J) Q2. A person lifts a 0.40 kg cup of water 0.64 m vertically up at constant velocity of 1.2 m/s. The work done on the cup of water by him is: (2.5 J) Q3. A man pushes a 50 kg crate a ...
(ii) The athlete has a mass of 75 kg. Calculate the horizontal component of the resistive force from the sand. horizontal component of resistive force ..... N (3) (Total 10 marks) Q8. Figure 1 shows a skier being pulled by rope up a hill of incline 12° at a steady speed. The total mass of the skier is 85 kg.
Nov 22, 2016 · In a movie stunt, a 65 kg skier starts from a rest position at the top of a hill 30 m high. She slides down the hill to the bottom, where she collides with a 45 kg stationary skier. The collision is completely inelastic. Find the final velocity of the skiers. Homework Equations I got the answer, but I feel I did it wrong. The Attempt at a Solution 6. (16 pts) A block of mass m 2.2 kg starts at rest on a rough inclined plane a height H 9 m above the ground. It slides down the plane, across a frictionless horizontal floor, and then around a frictionless loop-the-loop of radius R 2.0 m. On the floor the speed of the block is observed to be 12 Ill//s. 12 m/s
A skier weighing 86.2 kg starts from rest and slides down a 32.0-m frictionless slope that is inclined at an angle of 15.0° with the horizontal. Ignore air resistance. a. calculate the work done by gravity on the skier. b.calculate the work done by the normal force on the skier
Jun 08, 2011 · 2.0-kg block slides down a plane (inclined at 40° with the horizontal) at a constant speed of 5.0 m/s. At what rate is the gravitational force on the block doing work? (a) The mass of the skier, including his equipment, is 75 kg. In the ski race, the total vertical change in height is 880 m. Calculate the decrease in the gravitational potential energy (g.p.e.) of the skier. decrease in g.p.e. = .....[2] (b) The skier starts from rest. The total distance travelled by the skier during the descent is
# N toolbox, causing it to start sliding downward, starting from rest (a) If t starts # m from the lower edge of the roof. how fast While a roofer IS working Thi a roof that slants at above the horizontal he accidentally nudges his BB.O toolbox causing it ft start slidinp downwardv startipq from rest Part A 4.22) A 2.5-kg block slides down a 25° inclined plane with constant acceleration. The block starts from rest at the top. At the bottom, its velocity is 0.65 m/s.

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