3.) How can we calculate the speed of an object?

an 114 g mass is dropped from rest at a height of 64.1 cm above a spring of negligible mass. The mass then compresses the spring to a maximum displacement of 4.1081 cm. What is the spring force constant k of the spring

Why is it that the farther away from earth you go the bigger the planets get?

A student performed an experiment to test the acidity of foods. Put the following steps in the order they should occur. The student records the acidity of the food. asks a question about food's acidity.

Which scientists discovered the two radioactive elements radium and polonium

An astronaut in space cannot use a scale or balance to weigh objects because there is no gravity. but she does have devices to measure distance and time accurately. she knows her own mass is 77.

What is the most advanced life form on earth

Which EM wave is about the size of humans?

Describe how the Catapult works?

Newton's third law of motion states that the force pair acting on different objects consist of two forces that

While working on her science fair project Venus connected a battery to a circuit that contained a light bulb. Venus decided to change the light bulb to a higher resistance, but she wanted to keep the current the same.