What does it mean axis 1-1'?

Why do we experiment

About 800 billion years ago there was series of ice ages, why?

A 2-kg book is pushed along a table with a force of 4N. Find the frictional force on the book if the book's acceleration is 1.5 m/s squared. Explain how to find frictional force.

When working with vectors, you will often see right triangles. What are the consistent properties of these triangles? (Choose all that apply.) When working with vectors, you will often see right triangles.

If the moon did not have an atmosphere what would happen to it

In the formula for specific heat, which quantity is measured in units of J/g•°C? a - c b - Q c - T d - m

The acceleration of an object is proportional to which of the following? the mass the energy of the object the inverse of the mass the inverse of the force applied

Suppose you squeeze a sponge into a small ball. does the mass of the sponge change? Does it's density change?

A solid round bar with diameter of 2-in has a groove cut to a diameter of 1.8-in, with a groove radius of 0.1-in. the bar is not rotating.

If a pilot pulls her 12.0 kg rollaboard suitcase along the ground with a force of 25. N for 10 M. The handle she pulls on makes an angle of 36.5 degrees with the horizontal. How much work does she do over the ten meter distance?