What type of simple machine can be used to reduced the resistance force of friction?

The sun looks like a cloud of hot steam is exploding from its surface. What is the most likely explanation. A. Solar maria B. Sunspots C. Coronal mass ejections D. Impact basins

What can be determined from the magnitude of the slope of a distance versus time graph? acceleration force speed velocity

Its C Disposal of radioactive waste is a major concern in nuclear power production. Which method of disposal is least dangerous?

Which of. the following was not a major advantage of Copernicus's Sun-centered model over the Ptolemaic model? (a) It made signifi. Cllntly better predictions of planetary positions in our sky.

A 1400 kg wrecking ball hangs from a 20-m-long cable. The ball is pulled back until the cable makes an angle of 23.0 ∘ with the vertical. Part A By how much has the gravitational potential energy of the ball changed?

The names of the compounds FeS, NaCl, NaOH, and Pb (CN) 2 all end in the suffix A. - ite. B. - ate. C. - ide. D. - ic.

Why can't conductors generate static electricity when rubbed together?

How would you classify an EM wave with a frequency of 10 7 Hz

A charge of 50 µC is pushed by a force of 25 µN a distance of 15 m in an electric field. What is the electric potential difference?

A rocket, initially at rest on the ground, accelerates straight upward from rest with constant acceleration 58.8 m/s^2. The acceleration period lasts for time 8.00 s until the fuel is exhausted. After that, the rocket is in free fall.