A player throws a football 55.0 m at 61.0° north of west. The westward component of the displacement of the football thrown is given by

A) 0 m. B) 74.0 m. C) 26.7 m. D) 64.7 m.

How much force is required to keep the object moving with the same speed and on the same direction

Roemer's experiment failed because of his ignorance about the what

Could a volcanoe be thermal energy

I got 1.77 specific heat of substance above freezing and my substance is 200 grams how do you calculate the heat capacity?

A student slides her 80.0-kg desk across the level floor of her dormitory room a distance 4.00 m at constant speed. if the coefficient of kinetic friction between the desk and the floor is 0.400, how much work did she do? 26.7 j 1.26 kj 3.14 kj 24.

Assuming one nerve impulse must end before another can begin, what is the maximum firing rate of a nerve in impulses per second? Assume that it takes a millisecond for an impulse to travel through a nerve cell.

Which of the following statements has NOT been indicated by research on food and hunger behaviors? A) Forcing children to eat specific foods often has a negative effect on food preference.

Loghan and Kyle want to see if the type of ice cream in the freezer affects how hard or soft it is. Each time they placed a new brand of ice cream in the freezer, they put it in a different place.

2. If you wanted to create a voltage source using magnetic induction, which device would you use? A. Battery B. Thermocouple C. Dry cell D. Generator

Which quantities decrease as the distance between a planet and the sun increase