Why can television satellite which broadcast information as electromagnetic radiation send signals from the vacuum space

In a ballistic pendulum experiment, projectile 1 results in a maximum height h of the pendulum equal to 2.0 cm. A second projectile causes the the pendulum to swing higher, to h2 = 5.5 cm.

What is plane mirror

What color of light has the shortest wavelength

A vector is a quantity that has what two items

Velocity is: a. Y / (M x P) and increases if dollars are exchanged less frequently. b. Y / (M x P) and increases if dollars are exchanged more frequently. c. (P x Y) / M and increases if dollars are exchanged less frequently. d.

Why do you think that some asteroids tumble end over end through space while other asteroids rotate around their axis?

What are five features that erosion forms along a river?

If an object of mass 6 kg has an acceleratoon of 9 m/s2, what is the unbalanced force acting on it?

What is the fastest a car can go?

Which of the following best describes work being done by someone's arms? a. a child building a sand castle b. a mother holding a baby c. a boy pushing on a tree d. a traveler carrying luggage