A roller coaster needs to climb a tall hill. How tall of a hill can it climb with an initial

speed of 15 m. s.

You are standing on the ground. Describe two ways that you could increase the pressure between your feet and the ground.

The dominant wavelength of energy emitted by the sun is

What does latitude measure

If the mass of an object is 8 kg and its momentum is - 80 kgm/s, what is its velocity? A. 10 m/s B. 12 m/s C. 8 m/s D. - 10 m/s

If you travel 1.7 km north from your house at noon, and at 6:00 PM you travel 5.4 km south, what is your displacement? 3.7 km north 3.7 km south 7.1 km north 7.1 km south

Which of the following statements are true? Check all that apply. O A positive charge and a negative charge attract each other. O Electric charge is conserved. O Two positive charges attract each other. O A neutral object contains no charge.

You push a shopping cart filled with groceries (total mass = 20 kg) by applying a force to the cart 30° from the horizontal. if the force you apply has a magnitude of 86 n, what is the cart's acceleration? assume negligible friction.

Two objects are made of the same material, but they have different masses and temperatures. If the objects are brought into thermal contact, which one will have the greater temperature change

A ball strikes a wall. It exerts a force of 10 N to the left against the wall and bounces off. What force does the wall exert on the ball?

A car slows down from 24 m/s to rest in a distance of 90 m. what was its acceleration, assumed constant? incorrect: your answer is incorrect. m/s2