a 7.0kg object is acted on by two forces. One of the forces is 10.0N acting toward the east. Which of the following forces is the other force if the acceleration of the object is 1.0m/s^2 toward the east?

When a 5.0kg cart undergoes a 2.2m/s increase in speed, what is the impulse of the cart

The magnitude of the poynting vector of a planar electromagnetic wave has an average value of 0.939 w/m^2 . the wave is incident upon a rectangular area, 1.5 m by 2.0 m, at right angles. how much total electromagnetic energy falls on the area during 1.0 minute?

Agraduated cylinder contains 63.0 ml of water. a piece of gold, which has a density of 19.3 g/ cm3, is added to the water and the volume goes up to 64.5 ml. calculate the mass in grams of the gold that was added to the water. explain how you got your answer.