If a cart is accelerating downhill under a net force of 25 N, what additional force would cause the cart to have a constant velocity?

25 N

50 N

no additional force is needed

- 25 N

A truck is traveling with 50,000 J of kinetic energy. It hits the breaks and the truck now has 20,000 J of kinetic energy.

The sidereal period of the moon around the Earth is 27.3 days. Suppose a satellite were placed in Earth orbit, halfway between Earth's center and the moon's orbit. Use Kepler's third law to find the period of this satellite.

What's a example of Abrahamic religion. What's a example of Dharmic religion. What's a example of Taoic religion.

ListenA bullet traveling at 5.0 * 102 meters per second is brought to rest by an impulse of 50. newton-seconds. What is the mass of the bullet?2.5 * 104 kg1.0 * 101 kg1.0 * 10-1 kg1.0 * 10-2 kg

A current of 2 Amps flows through a circuit containing a motor with resistance 12 Ohms. How many Joules of energy is converted if the motor runs for one minute?

Which is a result of using a machine? The amount of work that is done is increased. The work input is less than the work output. Both the force and the distance through which it acts increase.

What is the difference between electromagnet and electromagnetism?

Which of the following can be determined by studying the spectrum of a star? the chemicals in the atmosphere of the star the motion of the star the temperature of the atmosphere of the star all of the above

How do I find the specific heat of an object?

In order to be considered scientific, evidence must be: