the gravitational force acting between two objects is 785 newton's. if the mass of one object doubles, what is the new force acting between the objects

A plane is traveling from one location to another 10,000 miles away. If the plane travels at a speed of 575 miles per hour, how long will it take to get there?

What element is a halogen with 5 energy levels

Do cars get better gas mileage with clean air filters? Gas mileage for 10 cars with dirty air filters and clean air filters was studied.

Consider a nuclear power plant, its transmission lines, and everything it provides energy to as a closed system. Which of the following is then true for the system?

The main water line enters a house on the first floor. The line has a gauge pressure of 2.64 x 105 Pa. (a) A faucet on the second floor, 6.50 m above the first floor is turned off.

How is mechanical energy calculated? A. by adding potential energy and kinetic energy B. Oby subtracting potential energy from kinetic energy C. by multiplying potential energy and kinetic energy D. by dividing potential energy by kinetic energy

The voltage (or electric potential) of battery determines a. how much net electric charge is in the battery b. how much work the battery can do on an electric charge c. how much electric field is around

The net force on a 3.2kg toy airplane is 7N. What is the accelerator of the airplane?

A person, with a mass of 50.0 kg, stands on a weighing scale in a lift which is moving upwards with a uniform acceleration of 5.0 m/s 2 . What would be the reading on the scale? (A) 490 N (B) 250 N (C) 740 N (D) 240 N

A student analyzes data of the motion of a planet as it orbits a star that is in deep space. The orbit of the planet is considered to be stable and does not change over time. What can the student say about this initial observation?