will the power generated by a falling 10 kg object be the same as that generated on a 1.0 kg object falling the same distance?

Q: A 4.15 kg bundle starts up a 33.3° incline with 149 J of kinetic energy. How far will it slide up…

A:

Q: 1 kg ball is tossed straight up with a kinetic energy of 196 j . how high does it go

A: Given that mass m= 1 kg energy E= 196 j we know that  gravitational potential energy E = m g h  g =…

Q: A pitcher throws a baseball (m = 0.107 kg) at a batter at 42.5 m/s. Calculate the kinetic energy of…

A:

Q: 19. If a 0.25 kg rock is thrown up with 230 J of kinetic energy, how high will it go? Show solution…

A:

Q: A 20 N object is lifted a distance of 5.0 meters. The object has 100.0 N of potential energy. True…

A: Potential energy is weight times the displacement in that direction. PE = W × h

Q: An elevalor has a mass of 2500 kg. Calculate the power required to lift it a vertical distance of 50…

A: given kg mass is 2500 kg accelaration due to gravity is 9.81 m/s distance travelled is 50 m time…

Q: A 4-N force is applied to a 2-kg object that is moving at 3 m/s. This force is parallel to the…

A: 7) Given:-  The object has a mass of m = 2 kg  The velocity of the object is v = 3 m/s  The force…

Q: A 1800 kg car accelerates from rest to a velocity of 18.0 m/s in 8s. Calculate the power output of…

A: Given, mass (m) =1800 kg velocity (v) = 18 m/s time (t) = 8 secs

Q: Your friend (mass 65.0 kg) is standing on the ice in the middle of a frozen pond. There is very…

A:

Q: a 1200 kg sports car is advertised to accelerate from 0-100km/h in 3.00s. What is the power output…

A: Given value--- mass = 1200 kg. initial speed = 0 m/s. final speed = 27.78 m/s. time = 3 sec. We…

Q: A block of mass 1.5 kg is at rest on a frictionless floor. A constant force F is subjected to the…

A:

Q: A 57 kg woman athlete can generate a sustained specific power output of 5.0 W/kg. One training…

A: In this question we are given with a situation about a female athlete and we have to answer some…

Q: Say I lift a box from the ground straight up to 1m in 2s. If I lift the same box from the ground but…

A:

Q: The work done in pushing a TV set a distance of 2 m with an average force of 5 N is A) 25J . B) 10…

A: If F force has been applied  on an object that has r displacement. then work don on the object  W =…

Q: The work done in pushing a TV set a distance of 3 m with an average force of 10 N is A) 3 J.…

A: Given data:  Distance (d) = 3 m Force (F) = 10 N Required: Work (W)

Q: Calculate the speed of a 5.44 kg hammer throw if its kinetic energy is 68 J.

A: Given data: Mass (m) = 5.44 kg Kinetic energy (KE) = 68 J Required: Speed (v)

Q: If your friend pushes a lawnmower 4 times as far as you do while exerting only half the force, which…

A: The work is force times distance. Your friend uses a half of the force but goes four times as far.…

Q: How long does it take for a forklift with a useful power output of 980 watts, to raise a 100-kg…

A:

Q: GO You are working out on a rowing machine. Each time you pull the rowing bar (which simulates the…

A:

Q: A 5.0-kg cart is moving horizontally at 4.0 m/s. In order to change its speed to 6.0 m/s, the net…

A: Given: Mass of cart m=5.0 kg Initial speed u=4.0 m/s Final speed v=6.0 m/s To find net work done in…

Q: The kinetic energy of a 1500 kg car increases by 2.6 x 10^5 J. Its final speed is 20 m/s. Calculate…

A: Given value--- mass = 1500kg. increment in kinetic energy = 2.6 × 105 J. final speed = 20m/s. We…

Q: A girl weighing 400 N takes 3 seconds to run up a 4-m high stairs. Which of the following gives the…

A:

Q: The work done in pushing a TV set a distance of 2 m with an average force of 55 N is _________ . In…

A:

Q: A 1700 kg car starts up a 130 m long hill at a speed of 20.0 m/s. If the propulsive force (up the…

A: Work done by gravity  Wg = -mgh = -1700×9.81×48.1 = -802163.7 J Work done by propulsive force  WP =…

Q: A 0.90-kg block initially at rest on a frictionless, horizontal surface is acted upon by a force of…

A:

Q: . How much farther would the force

A: Given values:- Mass of the block,(m)=0.80 kg ----(1) Force,(F)=6 N ----(2) Distance moved by the…

Q: A child is sitting in a wagon at the top of a hill. The mass of the child and wagon together is 40.0…

A: Given Data: The child and wagon together is: m=40.0 kg The distance covered on the inclined hill is:…

Q: A weight lifter raises a 1093 N weight a vertical distance of 1.80 m in a time interval of 1.95 s.…

A:

Q: Which of these is exhibiting kinetic energy? A) an archer with a flexed bow B) a person sitting on a…

A: To determine: Which of the following statements is exhibiting the kinetic energy

Q: Compute the minimum power necessary to operate aski lift that carries skiers along a 45.0slope. The…

A:

Q: A 6.0-kg block is released from rest 80 m above the ground. When it has fallen 60 m its kinetic…

A: Given data:  Mass (m) = 6.0 kg Height fallen (Δh) = 60 m Required: The kinetic energy of the block

Q: 4. 60 A 4.0 kg bundle starts up a 30 incline with 128 J of kinetic energy. How far will it slide up…

A:

Q: A 5.0-kg object is pulled along a horizontal surface at a constant speed by a 20 N force acting 37°…

A:

Q: Consider a 2100-kg car cruising at constant speed of 70 km/h. Now the car starts to pass another car…

A: The power required is the ratio of the work that must be done to time and the work done will be…

Q: Calculate the kinetic energy of a 0.15 kg baseball moving at a speed of m 39.0 ". Round your answer…

A:

Q: The electric motor of a model train accelerates the train fromrest to 0.620 m/s in 21.0 ms. The…

A: Using Work-Energy theorem,

Q: The system is released from rest. The 4-kg mass slides on the smooth horizontal surface. By using…

A: Mass of slides=4kg We have to apply work energy theorem

Q: Consider a 1,499.74-kg car cruising at constant speed of 73.89 km/h. Now the car starts to pass…

A:

Q: What is her useful power output if she does 25 pushups in one minute?

A: It is given that,

Q: Consider a box, of mass 5 kg, being pushed along a horizonal surface a distance of 2.9 m in 16.2…

A: Given: The applied force is 165.7 N. The displacement of the object is 2.9 m. The time interval is…

Q: 1000-kg automobile accelerates up a hill, increasing its speed from 5 mi/h to 50 mi/h, along a…

A:

Q: How long does it take for a forklift with a useful power output of 980 watts, to raise a 100-kg…

A: Given data: Power (P) = 980 watts Mass (m) = 100 kg Height (h) = 2.0 m Required:  Time (t)

Q: The dome at Monticello is 13.6 m high. If a pebble with a mass of 15g is thrown horizontally from…

A: From the conservation of energy:

Q: Can a centripetal force ever do work on an object? Yes No

A:

Q: The engine of the car has a power of 355 hp. If it 800 kg and moves horizontally, what will be its…

A: Power of engine "P"= 355h.p = 264.72kW. mass of car "m"= 800 kg  time taken "t"= 7sec . initial…

Q: For a given person, as the time needed to run up a flight of stairs decreases, the power

A: power=work done  Time taken since the work done to run up a flight of stairs is same and the time…

Q: An archer shoots an arrow of mass 0.0204 kg using a crossbow. If the archer aims the crossbow…

A:

Q: What is work done by a ball having a mass of 5.4 kg and is lifted to a distance of 1.6 m. [g =…

A: We know thatChange in potential energy is called workdone.W=-∆UW=-Uf-UiW=Ui-UfPotential energy of…

Static and Kinetic Friction

Kinetic friction comes into existence when there are moving surfaces means in other words we can say that the force which comes into existing between moving surfaces is known as kinetic friction.