Q3 (A) A pump lifts 30 kg of water a vertical distance of 20 m each second. What is the power output? (b): A sports car is moving at 4.0 m/s. If the mass of the car is 800 kg, how much kinetic energy does it have?

Q: A sled of mass 70 kg starts from rest and slides down a 10° incline 80 m long. It then travels for…

A: Given that :Mass of the sled : m= 70 kgLength of the plane : L= 80 mAngle of inclination of the…

Q: A truck is towing a broken-down car via a horizontal cable for 360 m along a road. If the tension on…

A: Tension is a pulling force acting at the ends of a string or cable. Work done is the energy imparted…

Q: A person holds onto a 25 N object for 2 minutes 3 m above the ground. How much work is done on the…

A: We know, work done= Force x displacementBut here,  A person holds onto a object of weight 25 N is…

Q: A rocket uses 4 kJ of chemical potential energy stored in the fuel while shooting the 0.55 kg rocket…

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Q: A cheetah has 5 joules of kinetic energy and runs up a 5 m hill. When it gets to the top of the…

A: Given- The kinetic energy of Cheetah (K.E) = 5 J Height cheetah can cover (h) = 5 m,

Q: A person runs up a long flight of stairs in 10 seconds. If the person's weight is 600 N and the…

A: Given data Weight of the person W = 600 N time taken t = 10 s Power is defined as the work done per…

Q: Two teams are playing a tug-of-war. Team Malakas pulls on Team Matikas by applying a force of 2.1…

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Q: A cyclist in a race must climb a 5° hill at a speed of 8 m/s. If the mass of the bike and the biker…

A: Given that-Mass of the bike and biker,m=80 kgSpeed of the bikerSlope, θ=5°

Q: A 520-kg dragster accelerates from rest to a final speed of 105 m/s in 390 m, during which it…

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Q: 50.0-kilogram crate a vertical distance of 3.00 meters in 3 seconds. How much power does the student…

A: Given parameters are,                                    mass of crate , m = 50kg…

Q: A 700 N person walks up 10 stairs, each of height 30 cm. How much work was performed by the person?

A: Given value--- weight of person = 700 N. height of each stair = 30 cm. number of stairs = 10 . We…

Q: Paraaadiip

A: Number: 2419.372     Units: WExplanation:

Q: An 860 N box is pushed across a level floor for a distance of 4.2 m with a force of 420 N. How much…

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Q: You pull a friend up a 60 m rocky slope, with a tension force in the rope of 450 N. The slope is…

A: we have given that, Distance for pulling is d=60m Also tension force is F=450N Let us suppose…

Q: A 1400 kg car drives up a 16 m high hill. The car's speed at the bottom and top are 21 m/s and 13…

A: According to the work energy theorem, the net work done on the car must be equal to the change in…

Q: Releasing some frustration at the end of the semester, you throw your physics book (mass of 2.7 kg)…

A: Given: m=2.7 kg h=25 m v=6 m/s Thermal energy=284 J

Q: A diesel engine pumps out 49 kg of water in one second. The water comes out vertically upwards with…

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Q: A cube with a mass of 2.5 kg slides down from the top of a frictionless ramp 1.5 m high. The ramp is…

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Q: Joe slides a crate along the garage floor. The coefficient of kinetic friction between the crate and…

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Q: A child pulls on a wagon with a force of 75 N. If the wagon moves a total of 30 m in 2.0 min, what…

A: Given , Force = 75 N Displacement s = 30 m Time = 2 minutes

Q: A student who weighs 543 N climbs a stairway (vertical height of 3.3 m) in 24 s. a) how much work…

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Q: A 50 kg bicyclist on a 10 kg bicycle speeds up from 5.0 m/s to 10 m/s. How much work was done to…

A: Ques 1 : Given : Mass of bicyclist = 50 kg Mass of cycle = 10 kg Total mass (M) = 50 +10 = 60 kg…

Q: A 2.5 kg cube glides down from the top of a 1.5 m high frictionless ramp. The angle of the ramp with…

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Q: Suppose you lift a 20 kg box by a height of 1.0 m. a) How much work do you do in lifting the box?…

A: Part-a Given: The height upto which the box is lifted h = 1 m. The mass of the box m = 20 kg.

Q: A 710 kg car is moving on level ground at a constant speed of 23 m/s. It is subject to a drag force…

A: Given data:  Force (F) = 500 N Speed (v) = 23 m/s Required: The power (P)

Q: A 56.5-kg person is running and accelerates from 3.67 m/s to 8.29 m/s in 5.67 s. How much power does…

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Q: A warehouse worker uses a forklift to raise a crate of pickles on a platform to a height 3.75 m…

A: Given: Mass of system, (combined mass of platform and the crate), M = 300 kg Height upto which it is…

Q: A 5.0-kg cat was travelling at a constant speed of 8.0m/s. It then encounters a 6.0-m long rough…

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Q: Brakes on a car apply a constant force when applied. If av700 kg car is traveling at 20 m/s and…

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Q: A helicopter, starting from rest, accelerates straight up from the roof of a hospital. The lifting…

A: Mass of helicopter M= 780 kg Iniatial speed of helicopter u = 0 Final speed of helicopter v= 10.0…

Q: Matthew pushes a box of toys along a 5 m long ramp that is inclined 3 m high. The force exerted is…

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Q: Wé are creating comething called

A: Given: Mass of cat m=5kg Power P=196 watt.

Q: Q21. A body of mass 5 kg moving with an acceleration of 5 ms2 gets . displacement of 2m, the work…

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Q: You throw a 24.0 NN rock into the air from ground level and observe that, when it is 14.0 mm high,…

A: weight = 24 N mg = 24m = 24/9.8 m = 2.45 kg H = 14 m V = 16 m/sA)Using work energy theorem…

Q: A warehouse worker uses a forklift to raise a crate of pickles on a platform to a height 3.75 m…

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Q: A shooting star is the trail of a meteor - a chunk of debris hurtling through Earth’s atmosphere. As…

A: Energy = (1/2)m(v)2 E = (1/2)(0.002)(100000 * 1609.4/3600)2 E = 1998586.7 Joules Work done =…

Q: box is on the floor. You lift the box and place it on a shelf that is 3.85 meters from the floor.…

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Q: How much power is needed to push a 1100 kg piano up a 4.0 meter ramp into a truck bed that is 1.5…

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Q: Your job is to lift 25.0 kg packaged boxes a vertical distance of 1.0 m from the ground onto the bed…

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Q: A child drags a toy behind him on the ground. The coefficient of friction is 0.44 and the toy is…

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Q: A force of 16 lb is required to hold a spring stretched 2 in. beyond its natural length. How much…

A: Given data: Stretching force, F=16 lb Stretched distance, x=2 inch