Luke Skywalker, 73 kg, is training on Dagobah. He runs up a  incline for 10 m with an average velocity of 6 mph. He then performs the same run with Yoda on his back in 4.31 s. Assuming he makes the second run with equivalent power and that the acceleration due to gravity is the same as earth, what is Yoda's mass? 1 mi = 1.6 km   A. 11 kg B. 13 kg C. 116 kg D. 189 kg

Q: An astronaut in her space suit has a total mass of m1 = 78.0 kg, including suit and oxygen tank.…

A:

Q: A2 kg block is moving at v = 7 m/s along a frictionless table and collides with a second 2 kg block…

A: Given Mass of each block = 2 kg Angle of inclination = 45° All surfaces are frictionless Initially…

Q: .A military aircraft that has a mass of 1.21 x 10' kg accelerates at 316 m/s for 15 seconds from an…

A:

Q: please help!

A: Given:Initial velocity of the ball = 0 m/sFinal velocity of the ball = 15 m/sTime of contact, t =…

Q: A 0.500 kg hammer is moving horizontally at 7.50 m/s when it strikes a nail and comes to rest after…

A: Given:Weight of hammer (M) = 0.5 kg.Horizontal velocity of hammer (u) = 7.5 m/sPenetration of nail…

Q: A movie stuntman (mass 80.0 kg) stands on a window ledge 5.0 m above the floor. Grabbing a rope…

A: Consider the mass of the stuntman as mA=80.0 kg and mass of villain as mB=70.0 kg. Then, the…

Q: A 0.850 kg hammer is moving horizontally at 8.00 m/s when it strikes a nail and comes to rest after…

A: Given: Mass of the hammer: m = 0.850 kg The initial speed of the hammer: vi=8.00 m/s The final speed…

Q: brakes on a 15,680 N car exert a stopping force of 640. N. The car’s velocity changes from 20.0 m/s…

A: Weight = mg Where m = mass g = acceleration due to gravity = 9.8 m/s2

Q: Problem 1:  A student of mass m = 72 kg runs at a velocity vi = 1.53 m/s before jumping on a…

A: Given, mass of the student, m1 = 72 kgvelocity, v1i =1.53 ms velocity of skateboard and student…

Q: A 1500 kg car stopped at a traffic light is struck from the rear by a 700-kg car, and they become…

A: given that,M1=1500 kgM2=700 kgV1=0msV2=15ms

Q: A 0.650 kg hammer is moving horizontally at 8.50 m/s when it strikes a nail and comes to rest after…

A: Given: Mass of the hammer (m) = 0.650 Kg            initial speed (u) = 8.50 m/sec            final…

Q: A 0.550 kg hammer is moving horizontally at 5.00 m/s when it strikes a nail and comes to rest after…

A:

Q: Two sprinters leave the starting gate at the same time at the beginning of a straight track. The…

A: We are authorized to answer three sub-parts at a time, since you have not mentioned which part you…

Q: X Incorrect The 60-lb boy has taken a running jump from the upper surface and lands on his 12-lb…

A: Answer: Given: Mass of the boy Wb=60 lb Mass of the skateboard Ws=12 lb Velocity v =14ftsec θ =24°…

Q: At the center of a 68m diameter circular ice rink, a 84 kg skater travelling north at 2.43 m/s…

A: Ans:- Image-1

Q: A shopper in a supermarket pushes a loaded cart with a horizontal force of 10 N. The cart has a mass…

A: Given: Force  by cart, F1=10 N Mass of cart, M=30 kg Time taken, t=3 s Force by child, F2=30 N…

Q: During an Olympic 100-m sprint race, Usain Bolt, the world record holder in that race, quickly…

A: Given: Mass,m=94kgAcceleration due to gravity,g=9.8m/s2Contact Force,FC=2.8×103N a) The expression…

Q: An astronaut in her space suit has a total mass of m1 = 75.5 kg, including suit and oxygen tank. Her…

A: There is no effect of Earth gravitational force in the space on any object. so, all the objects can…

Q: A football punter accelerates a football from rest to a speed of 11 m/s during the time in which his…

A: The expression to determine the acceleration of the ball is, a=∆v∆ta=11m/s0.14sa=78.57m/s

Q: sion, the lighter car moves at 10.0 km/h in a direction of 40 o with respect to the positive x axis.…

A: Given:- The mass of the car m1 = 1100 kg  m2 = 1300 kg  The car of m2 mass initially on rest  The…

Q: Two masses, m1 = 30kg and m2 = 20kg, are connected by a massless rope that has been placed over a…

A: The acceleration of an object as produced by a net force is directly proportional to the magnitude…

Q: A 0.300 kg hammer is moving horizontally at 6.00 m/s when it strikes a nail and comes to rest after…

A: Mass of the hammer,  m= 0.300 kg Speed of the hammer initially, u = 6.00 m/s Speed of the hammer as…

Q: A.3 kg ball bounces off the ground. Before the bounce it had a velocity of 8 m/s in the x direction…

A: Given data: According to impulse-momentum equation, Here, Favg , Δt and Δp represent the average…

Q: A person slaps her leg with her hand, bringing her hand to rest in 2.50 milliseconds from an initial…

A:

Q: A military aircraft that has a mass of 1.21 x 103 kg accelerates at 316 m/s for 15 seconds from an…

A: Mass of aircraft = 1.21×103 kg Acceleration of aircraft = 316m/s2 Initial speed = 2784m/s

Q: The front 1.20 m of a 1,450-kg car is designed as a "crumple zone" that collapses to absorb the…

A:

Q: A 70.0-kg man and a 55.0-kg woman holding a 2.50-kg purse on ice skates stand facing each other. If…

A: By Newton's second law of motion, Force = rate of change of momentum with time F = dp/dt

Q: A car of mass 3m traveling at a speed of v to the right collides elastically with a car of mass m…

A:

Q: A cricket ball of mass 155 g is hit at a speed of 164 km/h straight at a nearby fielder, who catches…

A:

Q: A 78.0 kg person falls straight down from a 1.60 m height (measured from his feet) and lands with…

A: Given: Height of the person, h=1.60 m mass of the person, m=75 Kg Time taken in the part (a) t1=0.75…

Q: An astronaut in her space suit has a total mass of  m1 = 78.5 kg,  including suit and oxygen tank.…

A: The astronaut mass - oxygen tank =m1 -m2                                                       =…

Q: 2. A cart pulled by the farmer has a kinctic encrgy of 100 J. a. What will be the kinctic encrgy if…

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Q: A 1360 - kg car moving at 6.40 m/s is initially traveling north along the positive direction of a y…

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Q: A rocket has a total mass of 1.17  105 kg and a burnout mass of 1.03  104 kg, including engines,…

A:

Q: A 0.250 kg hammer is moving horizontally at 4.50 m/s when it strikes a nail and comes to rest after…

A: a. The distance covered by the hammer in movement is 0.01m.   The retardation of the hammer can be…

Q: A football punter accelerates a football from rest to a speed of 9 m/s during the time in which his…

A: Given data: Initial speed of the football, u=0 Final speed of football, v=9 m/s Time interval,…

Q: ) Find the speed at which Superman (mass=90.0 kg) must fly into a train (mass = 17485 kg) traveling…

A:

Q: ans. a) 18.8 m/s c) 10.8 m/s c) How fast can the car take a 40-m radius turn when the pavement is…

A: The safe velocity on an unbanked road is given by the expression Vmax=√(μ×r×g) Where, μ =…

Q: A 0.750 kg hammer is moving horizontally at 4.50 m/s when it strikes a nail and comes to rest after…

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Q: A very hard rubber ball (m = 0.6 kg) is falling vertically at 5 m/s just before it bounces on the…

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Q: A 0.950 kg hammer is moving horizontally at 4.00 m/s when it strikes a nail and comes to rest after…

A:

Q: A 0.950 kg hammer is moving horizontally at 9.00 m/s when it strikes a nail and comes to rest after…

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Q: A 50 kg50 kg soccer player jumps vertically upwards and heads the 0.45 kg ball as it is descending…

A: Write the expression for the coefficient of restitution for the elastic collision (e=1), and…

Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: