Assuming the system is cabinet+earth+ramp, which of the energy term is zero Select all apply.

Conservation of Energy Calculate K, U, E for: = 500kg A = 100⁰m B = 50~ m m 700 c=0m D=50m E = 75m V=0₂V= 10 m/s 50 A 12 75- B Por K = kinetic energy U = potential energy E = total mechanical energy o

3. A student drags a 3 kg box 5 m across a rough floor with a force of 40 N. A frictional force of 10 N resists the motion of the box. A) Calculate the work done by the student. B) Calculate the work done by friction. C) Determine the net work done on the box. D) If the box started from rest, how fast is it going at it approaches 5 m? has a yelocity of 8

At what speed does a 1300 kg compact car have the same kinetic energy as a 1.80×104 kg truck going 23.0 km/hr ? Express your answer with the appropriate units. μA Vc = Value Units wwwwww ?

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A 1250 kg sports car accelerates from zero to 30 m/s in 25 s. What is the average power delivered by the car engine? Select one: a. 25.5 kW b. 22.5 kW с. 12.5 kW Previc ormula Sheet, CA-2, T-3, AY Jump to... 20-21 Activ LENGO to

Cart Mass, mc  . 284 kg Angle, θ 49 degrees Distance, d . 75 m Equilibrium . 240 Velocity 1 . 664 m/s Velocity 2 . 672 m/s Velocity 3 .670 m/s Average Velocity .669 m/s What is the kinetic Energy ? Using the average velocity, calculate the cart's change in Kenetic Energy. KE = (1/2) mv2

A block of mass m= 5.00 kg is reased from point A and slides dows the frictionless track shown in the figure. calculate the speed of the block at piont B and C. g= 9.8m/s2

The spring in the above figure has a spring constant of K = 140 N/m. A 150 g block is placed against the spring which is then compress to 16 cm. A) When the block is released, how high up the slope does it rise? B) What is the kinetic energy at the highest point? C) What is the potential energy at the highest point?

You push a file cabinet up a frictionless ramp tilted at 10°with horizontal. The file cabinet has a mass of 100 kg and you are pushing with a 700 N force in the direction up along the ramp. The file cabinet has initial speed of 2.0 m/s. It's moved 8.0 m up along the ramp. Match the answers with questions. 10.0⁰ Question the initial kinetic energy of the cabinet (K;) the final kinetic energy of the cabinet (Kf) the change in kinetic energy of the cabinet (AK) All Answer Choices A. -200 J B. -4011 J C.OJ D. 4011 J E. 4211 J F. 4411 J G. -4411 J H.-4211 J 1,200 J