What average power is needed to accelerate a 1 kg soccer ball from rest to 36 km/hr in 0.1 seconds? 100 W O750 W O 10 kW 1 kW 500 W

Q: A horse pulls a cart with a force of 40 lb at an angle of 30° above the horizontal and mi How much…

A: The solution is given below

Q: An electric engine in a 2.0 kg remote-control toy car has a power output of 4.0 W. How fast will it…

A: Energy = Power * time P=power = 4 W time=t=5 s   Energy=E= 4*5=20   mass=m=2.0 kg

Q: A 65-kg woman runs up a flight of stairs in 10.0 s. Her net upward displacement is 3.0 m.…

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Q: A 65-kg woman runs up a flight of stairs in 10.0 s. Her net upward displacement is 3.0 m.…

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Q: Q16. A giri weighing 45 kg jumps to a height of (1/2) m at the rate 10 times per minute. The power…

A: Data provided :  Mass (m) = 45 kg Height (H) = 0.5 m The Rate = 10 times per minute

Q: A 5.0-kg cart is moving horizontally at 4.0 m/s. In order to change its speed to 9.0 m/s, the net…

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Q: *68. D In 2.0 minutes, a ski lift raises four skiers at constant speed to a height of 140 m. The…

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Q: The electric motor of a model train accelerates the train from rest to 0.745 ms-1 in 4.08 x 10-2 s.…

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Q: A 2-kg ball is held 6 m above the ground. Relative to the ground its potential energy is A) 60 J.…

A: Given data:  Mass (m) = 2 kg Height (h) = 6 m Required: Potential energy relative to the ground

Q: Q40. Calculate the work done in moving a body of mass 50 kg through a height of 5 m. (g = 10mis) 250…

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Q: A car with the mass 1500 kg 5 pc accelerated from rest to a speed of 30 m/sec in a time 10 sec. what…

A: Mass = m = 1500 kg Initial velocity = u = 0 m/sec Final velocity = v = 30 m/sec Time = t = 10 sec.…

Q: Ruth is moving a heavy box a distance of 14 m across the floor of her bedroom. If she does 9000 J of…

A: total distance moved = 14 m work done = 9000 J time taken = 3 seconds

Q: A ball of 0.1 kg is dropped from rest. When it falls through a distance of 2 m, the work done by the…

A: The expression for work done is, W=F×d                                    F=force,d=dispalcement…

Q: How much power is needed to lift a 12.5 kg sack of rice from the ground to a height of 1.5 m within…

A: According to guidelines we need to solve only first question kindly repost other questions in the…

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 1000.0 kg car is moving at 15 km/h. If a 2000.0 kg truck has 15 times the kinetic energy of the…

A: Given: The mass of car is m=1000 kg. The mass of truck is m'=2000 kg. The speed of car is v=15…

Q: A 900-kg car cruising at a constant speed of 60 km/h is to accelerate to 100 km/h in 4 s. The…

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Q: A stone with a mass of 2.40 kg is moving with velocity (5.20î – 1.80ĵ) m/s. (HINT: v2 : () What is…

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Q: What is the average power must produce to accelerate car with 1500 kg from rest to the speed 30…

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Q: A car is moving with a kinetic energy of 80 J and is slowed down and stopped in a distance of 0.05…

A: Given data The kinetic energy of the car is KEi = 80 J. The final velocity of the car is zero as it…

Q: In 2.69 minutes, a ski lift raises four skiers at constant speed to a height of 134 m. The average…

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Q: In a "pop fly a 1.5 x 10^2 g baseball is projected vertically upward with an initial kinetic energy…

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Q: A car travelling at a speed of 60 km/h has a kinetic energy of 200 kJ. If the speed of the car is…

A: Given data The initial velocity of the car is given as u = 60 km/h. The initial kinetic energy of…

Q: A car travelling at a speed of 60 km/h has a kinetic energy of 200 kJ. If the speed of the car is…

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Q: how much power in watts is required to accelerate a 1200 kg car from rest to 16 m/s in 8 seconds…

A: Solution: Given: m = mass of car = 1200 kg u = initial speed of car = 0 m/s v = final speed of car =…

Q: A boy of mass 45 kg climbs a vertical rope 9 meters in length in 15 seconds with constant velocity.…

A: Given: The mass of the object is 45 kg. The vertical height is 9 m. The time interval is 15 s.

Q: An electric engine in a 2.0 kg remote-control toy car has a power output of 4.0 W. How fast will it…

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Q: car (m = 660.0 kg) accelerates uniformly from rest up an inclined road which rises uniformly, to a…

A: Given Mass of the car is m=660.0 kg Height of the hill is h=39.0 m Final speed of the car is vf=24.9…

Q: A 1000-kg car accelerates from 0 to 15 m/s in 5.0 s with negligible friction and air resistance.…

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Q: While pushing her younger brother on a swing, Ivy exerted an average force of 446 N through a…

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Q: A cheetah can accelerate from rest to 7.4 m/s (about 17 m/h) in 1.1 seconds. How much average power…

A: The correct choice of answer is option (a) i.e. 1300 W

Q: A particle, mass 8 kg, moves along the y axis with a speed of 3.3 m/s. It experiences a force of 16…

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Q: A car's engine generates 80000 W of power as it exerts a force of 6000 N. How long does it take the…

A: Given: The power of the engine is 80000 W. The force exerted by the engine is 6000 N. The…

Q: To pass a slow-moving truck, you want your fancy 1.30 * 103@kg car to accelerate from 13.4 m>s…

A: Let E1 and E2 denote the initial and final kinetic energy of the car, E denote the change in kinetic…

Q: An electric engine in a 2.0 kg remote-control toy car has a power output of 4.0 W. How fast will it…

A: Mass of engine = 2 kg  Power output = 4 W  Time = 5 seconds

Q: When its 75-kW (100-hp) engine is generating full power, a small single engine airplane with mass…

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Q: A motor has a power output of 1000 W.  How fast would this motor lift a 20 kg mass to a height of 10…

A: Motor would lift 20kg to height of 10m in 1.96 seconds

Q: A crane lifts a 268 kg crate a height of 12.4 m in a time of 80.0 s at a constant speed. What is the…

A: Given data:  Mass (m) = 268 kg Height (h) = 12.4 m Time (t) = 80.0 s Required: The power (P)

Q: 12. 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 The time taken by the person is t = 10 s. The person weight is W = 600 N. The vertical…

Q: At what speed does a 2000 kg compact car have the same kinetic energy as a 2.00x10“ kg truck going…

A: Mass of truck, M=2×104 kg Speed of truck, V=23 km/hr Mass of car, m=2000 kg Let speed of car be v in…

Q: How much power does it take for a 60 kg person to run up stairs at a rate of 2.5 steps per second if…

A: Given data:  Mass (m) = 60 kg Time (t) = 1 s Number of steps rup up in 1 second = 2.5 Height of each…

Q: What power is needed to move a 13.4 kN car up an 8 degree incline with a constant speed of 80 kph…

A: Given: Mass of car, m = 13.4 kN = 1366.42 kg Angle = 8 degree Speed, v = 80 kph = 80 X 5/18 = 22.22…

Q: A car travelling at a speed of 60 km/h has a kinetic energy of 200 kJ. If the speed of the car is…

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Q: A 0.500 kg bullet is fired from a gun at 25.0 m/s, how much kinetic energy does it have? 156.3…

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Q: How much work is required to throw a ball with a mass of 0.23 kg 30.0 m/s? Assume the ball starts…

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Q: A truck travelling at a speed of 80 km/h has a kinetic energy of 1000 kJ. If the speed of the truck…

A: Kinetic energy of an object is measure of energy attained by the object due to its motion. It…

Q: How much power is required to raise a 30-kg crate a vertical distance of 6m in a time of 4 seconds?…

A: The potential energy of a body is given by PE = mgh, where m = the mass of the body g = acceleration…

Q: A 1520kg of car accelerates from rest to 45 m/s in 8.2 s. The average power delivered by the engine…

A: The mass m=1520kg  To find the average power

Q: *A 3-kg box falls from a height of 4 m. Just before hitting the ground, what will be it's kinetic…

A: Given Data: m = 3 kg g = 10 m/sec2 h = 4m   Formula Used: Kinetic energy at bottom = potential…