If object weighs 30 n on the earth whatvis its mass

If an object has low acceleration it isn't moving very fast true or false

The moon most likely formed A. From a collision of Earth with a Mars-sized object. B. In another region of space and drifted toward Earth. C. From material in the solar system that came together. D. In the same way as Earth formed.

Subduction is when two geologic plates are moving the same direction one geologic plate is floating on top of another one one geologic plate is pushed beneath another one a mountain sinks into the ground

A rescue helicopter lifts a 72.3-kg person straight up by means of a cable. the person has an upward acceleration of 0.571 m/s2 and is lifted from rest through a distance of 8.41 m.

As an apple falls from a tree, which types of energy are changing?

A ball is being rolled by a normal push of 1000N. it is opposed by friction which has a force of 0.3kN and air resistance which has a force of 23N. Calculate the resultant force.

Consider a Young's two-slit experiment in which the wavelength of light is 37% smaller than the distance between the slits.

Which of the following situations would produce an average velocity of zero? A) a round-trip to school and back B) a horse galloping in a field C) the criss-crossing path of a flying bug D) a trip, first to the moon, then onto Mars

A 111.6 g sample of iron was heated from 0°C to 20°C. It absorbed 1004 J of energy. What is the specific heat capacity of iron?

A car is driving towards a brick wall at a constant velocity (don't try this at home!) and the driver honks the horn of the car. the sound of the horn reflects from the wall and the echo is heard by the driver.