What tells scientists about distant galaxies?

What is the weight of a basketball with a mass of 0.5 kg

A concrete highway curve of radius 60.0 m is banked at a 19.0 ∘ angle. what is the maximum speed with which a 1400 kg rubber-tired car can take this curve without sliding? (take the static coefficient of friction of rubber on concrete to be 1.0.)

Which type of plate boundary is most closely associated with the formation of new ocean floor?

What is the magnitude of the force required to give an electron an acceleration of 1.00x10^2 meter per second squared?

Two carts with masses of 4.52 kg and 2.42 kg move toward each other on a frictionless track with speeds of 5.08 m/s and 3.58 m/s respectively. The carts stick together after colliding head-on. Find the final speed.

A 5.5 kg box is pushed across the lunch table. The acceleration of the box is 4.2 m/s2. What was the net force applied to the box? A) 1.3 N B) 1.31 N C) 9.7 N D) 23.1 N

What is the relationship between the mass and period in a mass hanging on spring oscillation and why?

Saturn's moon Titan has a mass of 1.35 * 1023 kg. If Titan is 1.19 * 106 km from Saturn, and Saturn's mass is 5.86 * 1026 kg, what is the gravitational force between Saturn and its moon? 2.76 * 104 N 3.29 * 107 N 3.73 * 1021 N 4.43 * 1030 N

What has occured when bubbles form in a liquid that is being heated

What would happen to the supply of ATP in your cells if you did not eat enough carbohydrates?