How much does a 45 kg rock weigh

A car is idling at a stoplight. When the light turns green, the car takes 12 seconds to accelerate to 18.7 m/s. What is the average acceleration of the car? 0.64 m/s2 1.6 m/s2 -0.64 m/s2 -1.6 m/s2

Explain the difference between Zener breakdown and Avalanche breakdown?

Genetic information responsible for physical characteristics such as eye color, height, hair color, and skin color can be found in an organism's ...

Which of these is an experiment generally regarded as being first carried out by James Joule? observing that objects increase in temperature when heated with fire showing that friction slows down the motion of objects measuring the temperature

a plane is flyinn 120m above the ground at an angle of 30 to the horizontal, when the pilot released two fuel tanks to decrease the plane's load. how long did the tanks fall an with what speed did it hit the ground if the plane's speed was 84m/s

you often hear people particularly TV announcers talk about "high rate of speed" what do you think they mean according to the specifics of physics definitions what are they really saying

What is the value of x in the equation Ix - 3y = 30, when y = 15?

32. How much work is done pushing an 80 N box 2 m across ue surtout What work is done? a. 40 J c. 160 J b. 20 J d. 240 J

Which is a resource that the National Park Service manages? A. memorials B. wildlife refuges C. ecosystems D. endangered species

Write two examples (mathematical expression) of physical laws that change inversely with the square of the distance.