How would you present weight change if earth had twice the mass that it does now

A student walks 5.00 m at an angle of 53.0° then walks another 8.00 m at angle of 130°. what is the magnitude of the student's final displacement?

Which example best represents translational kinetic energy? a plucked string on a guitar the moving blades of a ceiling fan a spinning top a tuning fork struck on a rubber block an apple falling from a tree

Why does food coloring diffuse faster in cold water than warm

A girl of mass 40kg jumps with a horizontal velocity of 5m/s on to a stationary cart with frictionless wheels. The mass of the cart is 10kg. The girl and the cart move off together in the same straight line.

A ball is connected to a light spring suspended vertically. When pulled downward from its equilibrium position and released, the ball oscillates up and down. In the system of the ball and the spring, what forms of energy are there during the motion?

When titanium bonds with oxygen, the ionic compound that forms has the chemical formula Ti2O3 and consists of Ti3 + ions and O2 - ions. Explain why the compound has this chemical formula.

If the weather becomes stormy for a short time and then becomes colder which type of front has most likely passed

True or false the molecular formula for ibuprofen is the same as the empirical formula

a car moves from a to b at a speed of 50km per hr and comes back from b to a at a speed of 30km per hour. find its average speed during the journey

In which of the following can you not find plasma