A 32.0 kg cart is at rest on a frictionless, horizontal surface. The cart experiences an unbalanced force,
causing the cart to accelerate at a rate of +5 m/s2.
1. Select the statement that correctly describes the motion of the cart while accelerating.
a. The cart's position increases by 5 meters every second
b. The cart's position decreases by 5 meters every second
c. The cart's velocity increases by 5 meters per second every second
d. The cart's velocity decreases by 5 meters per second every second.
Answers: 2
Physics, 21.06.2019 18:10
Keneila is attempting to ski down a 20 m high friction free hill for the first time. she has a speed 10 m/s at the top. what is her kinetic energy when she is a the bottom, 20 m ? (a)2500 j (b)9800 j (c)12300 j (d)3100j (e)15000j
Answers: 2
Physics, 21.06.2019 20:00
Which sentences describe disadvantages of burning fossil fuels instead of using hydrogen fuel cells? burning fossil fuels contributes to climate change. burning fossil fuels takes place inside expensive fuel cells. fossil fuels aren't widely available, but pure hydrogen is. fossil fuels are nonrenewable.
Answers: 1
Physics, 22.06.2019 02:30
Awave travels at a speed of 5.2 m/s. if the distance between crests is 0.40 m, what is the frequency of the wave? use f=v/wavelength a. 13 hz b. 2.1 hz c. 0.077 hz d. 5.6 hz
Answers: 1
Physics, 22.06.2019 08:30
A17,250 kg rocket is pushed with a thrust of 6,450,284 n. what is the acceleration of the rocket?
Answers: 1
A 32.0 kg cart is at rest on a frictionless, horizontal surface. The cart experiences an unbalanced...
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