Your go-cart breaks down right before the end of a race,so you have to push it over the finish line. The go cart has a mass of 85kg.
B. How much force must you apply to give the go cart an accelertion of 9.0m/s
C. If you push with a force of 350N what is the acceleration of the cart?
D. Later you are driving your friends go cart.if his cart has an acceleration of 5.5m/s^2 and the carts engine is applying a forward force of 720N what is the mass of his go cart ?
Stacey Warren - Expert brainly.com
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You can get the three answers applying Newton's second law:
in B you know m and a, and need to find F.
in C you know m and F, and need a
in D you know F and a, and must find the new value for m
B. F=ma (85)(0.9)=76.5 N
D.m=F/a 720/5.5 =130.9
yes! escept for B, you used a=0.9m/s^2 it should be 9m/s^2
also, you could check the units for C and D, they should be m/s^2 and Kg. respectively