Until the late 1800s, which of the following sources was used to heat most homes?

fossil fuels

o electricity

biomass

solar energy

Bonnie and clyde are sliding a 300 kg bank safe across the floor to their getaway car. the safe slides with a constant speed if clyde pushes from behind with 445 n of force while bonnie pulls forward on a rope with 350 n of force.

Part a a box is being pulled to the right over a rough surface. t > fk, so the box is speeding up. suddenly the rope breaks. what happens? the box a box is being pulled to the right over a rough surface. t >, so the box is speeding up.

I'll give brainiest True or False: An example of an isometric movement would be lunges?

If he throws the ball (with mass 0.07 kg) with a speed of 28 m/s and there is no air resistance, how high does the ball go?

Which of the following does not indicate velocity? a. 14 m/s SSE b. 40 km/h toward the town square along the main street c. 80 km/h going from New York toward New Jersey d. 28 km from Los Angeles to Catalina Island

What happens to wavelength as a wave leaves the air and enters the Perspex? a. It decreases c. It stays the same b. It increases d. It becomes irregular

Which of the following statements are correct? 1. Electrons and protons have identical masses but opposite charges. 2. Most of an atom's mass is concentrated in a small, positively charged, nucleus. 3.

What are some changes that can be caused by sound energy?

A cheetah can run at 30 m/s, but only for about 12s. How far will it run in that time

A car is traveling 80 km/h if the car's speed remains constant how far will it have traveled in 3 hours a. 3km b. 26.7km c. 80 km d. 240 km