A train goes 300 miles at an average speed of 45 miles per hour how long does it take to go the distance

A 9 V battery sends a current of 0.5 A through a resistor. What is the value of the resistance?

Why would two poles of different magnets repel one another?

A 5.00 kg crate is suspended from the end of a short vertical rope of negligible mass. An upward force F (t) is applied to the end of the rope, and the height of the crate above its initial position is given by y (t) = (2.80 m/s) t + (0.

Which best explains satellites? the moon is a satellite of the earth, and the earth is a satellite of the sun. mercury and pluto do not have any satellites. mercury is a satellite to the sun, and venus is a satellite to the mercury.

Which of kepler's laws explains why the sun has a slightly larger angular diameter in january than in july?

Which safety measures should you follow during a thunderstorm? Check all that apply. (A) Avoid touching anything that conducts electricity. (B) Avoid touching a person who has been struck by lightning. (C) Go outside.

1. An automobile with a mass of 1000 kg accelerates when the traffic light turns green. If the net force on the car is 4000 N, what is the car's acceleration?

Imagine that you replace the block in the video with a happy or sad ball identical to the one used as a pendulum, so that the sad ball strikes a sad ball and the happy ball strikes a happy ball.

Under what conditions will an object experience a gravitational force? Under what conditions will an object experience an electric force? Under what conditions will an object experience a magnetic force?

A basketball player pushes down with a force of 34 N on a basketball that is inflated to a gauge pressure of 9 x 104 Pa. What is the diameter of contact between the ball! and the floor?