7. A 10kg block is raised vertically 3 meters. What is the change in Potential Energy?
Q: 1. A student of mass 40 kg caries a bag weighing 5000g from the ground floor to his class on the…
A: Work done by boy W= mgh Given that m= 5kg h= 0.7m
Q: A horizontal force of 310 N is applied to move a 46 kg television set across a 20 m level…
A: Given:Applied force, F = 310 Ndistance travelled by television, d = 20 m
Q: A 6 kg ball falls from height of 32. What willbe potential energy of the ball after 1 second? Use g…
A: The given values are: mass m=6 kg height h=32m time t=1 sec
Q: 7. A 90.0 kg man pushes on a 5.0 x 106 ton wall for 350 s but it does not move. How much work does…
A:
Q: A 4 kg ball falls from height of 29 . What willbe potential energy of the ball after 1 second? Use g…
A: Given data: mass m = 4 kg height h = 29 m time t = 1 sec
Q: A motorcycle at rest has 550 J of Work done on it. What is its final KE?
A: Given data: Initial velocity (v0) = 0 m/s Work done (W) = 550 J Required: Final kinetic Energy
Q: How much work would you do lifting a 4kg book 2m vertically as you place it on a shelf? How much…
A: mass m= 4kg Height h= 2m accleration due to gravity g= 9.8m/s^2
Q: At the top of a 17.88 m high ski slope, you start with a speed of 17.9 m/s and head down the hill.…
A:
Q: DIRECTION: Classify the following as a to potential energy or kinetic energy. Write K for kinetic…
A: The energy due to position is the potential energy on the object. The energy due to motion is known…
Q: A 0.058-kilogram tennis ball is thrown into the air and reaches a height of 3.5 meters. How much…
A: Potential Energy (PE) is given by = mgH m = mass, g = acceleration due to gravity, H = height m =…
Q: 1. If you pushed a 20 kg box across the floor for a distance of 60 m with a force of 15 N how much…
A: #1 Given data: The mass of box is m=20 kg. The distance traveled by the box is d=60 m. The force…
Q: You are on in-line skates at the top of a small hill. Your potential energy is equal to 10 1,000…
A: Potential energy is a form of stored energy here it's is gravitational potential energy. G.…
Q: A 70-kg hiker hikes from an elevation of 1,209 m to an elevation 2,199 m. i. What is the hiker’s…
A: i) As the hiker moves from a lower elevation to a higher one the gravitational potential energy of…
Q: A 65kg crate is located 260m above the ground. What is the potential energy of the crate in joules?
A: Given data: Mass (m) = 65 kg Height (h) = 260 m Required: Potential Energy (PE)
Q: How much work is it to lift a 25 kg sack of cement vertically 4.3 m?
A: Given , Mass of sack of cement (m)= 25 kg Sack of cement lifted vertically h= 4.3 m
Q: 11. You push down on a 4.0 N box against the floor for 2 minutes. How much work was done? How much…
A: The force applied, F=4 N The time for which the force is applied, t=2 min
Q: ) How much work do you do if you carry a 100 N backpack up a flight of stairs with a height of 5 m?…
A: FORCE=100n DISPLACEMENT=5M work done by you=(force)(displacement)=100 X 5m=500J (ANSWER)
Q: 5.A hiker climbs from an elevation of 1,500 ft to the top of a mountain whose height is 3,800 ft…
A: Given Mass (m ) = 95 kg h1 = 1500 ft = 1500 × 0.305 m h2 = 3,800 ft = 3,800 ×…
Q: 3. A rock weighs 700 g and has a potential energy of 1 500 J. What height is it found at?
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Q: 7. The work done by gravity in lowering a 3.0 [kg] box from an initial height to the ground is 15…
A: Given: The mass of the object is 3 kg. The work done by gravity is gravity is 15 J. The…
Q: Determine the potential energy of the 250-g book if it fall from the roof of a building with a…
A: Given data: Mass (m) = 250 g = 0.250 kg Height (h) = 25 m Required: The potential energy
Q: The third floor of a house is 8.0 m above the street level. How much work is needed to move a 150…
A:
Q: A 67.5-kg hiker starts at an elevation of 1270 m and climbs to the top of a peak 2730 m high. -…
A:
Q: 1. A box with a mass of 3.0 kg is accelerated from rest by a constant force across a floor at a rate…
A:
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- 5. A leaf of spring in an off-road truck with a spring constant k of 87.6 kN/m (87,000 N/m) is compressed a distance of 6.2 cm (0.062 m) from its original, unstretched position. What is the increase in potential energy of the spring (in kJ)?1. Refer to figure 1. The 10.0 kg green cart travels down a ramp - from point A to B. Calculate its starting potential energy, kinetic energy at the bottom of the ramp, and its velocity coming off the bottom of the ramp. If the cart coasts from points B to C, did it do any work? How far up the 2nd ramp does the cart go as measured from the ground? 10.0m Figure 1 BHow much potential energy does a person of mass 92 kg have if they are standing at the top of a building that is 56.2 m high? Submit your answer in exponential form.
- 8. What is the change in potential energy of a 2 kg ball that fell from a 3rd floor balcony into a pool on the 2nd floor? (1 floor is roughly 10 ft tall) 59.6 J 1A 55 kg hiker starts at an elevation of 1275 m and climbs to the top of a 3300 m peak. What is the change in potential energy of the hiker?