Agarbage truck has a mass of 2100kg it starts from rest and travels 75m in 15 seconds the truck uniformly accelerates the entire time. what net force is applied to the truck? total d=75 total t=15 m=2100kg a=5 fn=?

Explain what it means to view something from a frame of reference. provide an example that illustrates your explanation. (4 points)

How many excess electrons must be present on each sphere if the magnitude of the force of repulsion between them is 4.57×10−21 newtons?

Urgent i will give brainliest farmer dantzler brings her prize pig, penny, to the annual country fair. if the mass of the pig is 140 kg, what is the weight? (what are you solving for? what is your formula? what unit do you use to represent weight? you can do it! ) your a.14 g b.140 n c. 1400 kg d. 1372 n show me how to work it too