Astudent is pushing a 50 kg cart, with a force of 600 n. another student measures the speed of the cart, and finds that the cart is only accelerating at 3 m/s^2. how much friction must be acting on the cart?

450N

Explanation:

1) F=ma F2=50kg*3m/s^2=150N

2)Ff=F1-F2=600N-150N=450N

15.3 cos 65 degrees trig

maria has a savings account that is earning simple interest. if she started with $200 in the account and has earned a total of $8 in interest in two years, what is the rate of the account? use the formula  .