An acorn falls from a tree. how fast is the acorn moving after 1.2 seconds

The slope of a speed-time linear graph is?

An object with a mass of 1.5kg changes its velocity from + 15m/s to + 22 during a time interval of 3.5 seconds. What Impulse was delivered to the object A: 3.0 N•s B: 11 N•s C: 25 N•s D: 56 N•s

A box of mass 3kg is lifted onto a shelf. Calculate the change on its gravitational potential energy. The gravitational field strength is 10N/kg.

In science though, what is it mainly used for?

A turntable is spinning on a frictionless axle when a ball of putty is dropped onto it from above. The putty sticks to the turntable when it lands. Is angular momentum conserved for the turntable and putty (the system) during this process?

What an object is made up of and the color of light that strikes it determine the A) apparent color of object B) transparency of the object C) opacity of the object D) translucence of the object

This chart shows characteristics of three different types of waves.

Which of the following statements about Boyle's law are correct? The temperature and pressure must remain constant for the law to apply. The temperature and the number of molecules must remain constant for the law to apply.

Exposure to high energy electromagnetic radiation such as waves can cause cancer sterility and death

What kind of error would result if you read the liquid volume where the liquid touches the wall of the cylinder rather than at the meniscus