True or false. in science, a hypothesis must be true?

What is the mass and weight of a 10kg object on earth?

Average velocity is different than average speed because calculating average velocity involves? a. distance b. time c. motion d. displacement

What is the momentum of a 453 gram football that is thrown with a speed of 30 M/s

What is the name of the atom e

In a pendulum experiment the pendulum moves from one side to the other side in 0.6 second. Calculate the period of the pendulum.

Which of the following is an example of applied research?

A Cadillac Escalade has a mass of 2,569.6 kg, if it accelerates at 4.65 m/s^2 what is the net force on the car?

If you are trying to balance a seesaw and you have a higher mass on the left, should the mass on the right be placed at a greater distance or lower distance to balance it? Why?

A car travels 300 km in the first 3 hours of a trip. Then it hits traffic and travels only 60 km during the last hour. What is the average speed of the car? a.) 180 km/h b.) 100 km/h c.) 90 km/h d.) 120 km/h

What is the purpose of using a wedge? A. separates objects B. keeps objects together C. allows you to exert force over a distance