mechanical (sound) waves are unable to travel through a vacuum such as through space but radio waves are transmitted to earth from satellites. how is this possible

What is the law of gravity?

A 3kg object moving at 15 m/s what is the momentum

Sheila did 110 J of work to move a chair 2 m to the right. How much force did Sheila use to Sheila use to move the chair

A student measured the power of a motor operating at different temperatures. The student recorded a total of 11 measurements, one at each two degree interval between 10 degrees Celsius and 30 degrees Celsius.

Suppose the Moon had twice the diameter but the same mass and same orbital distance from Earth. In that case, the high tides on Earth would be :

In 1986, a gargantuan iceberg broke away from the Ross Ice Shelf in Antarctica. It was approximately a rectangle 160 km long, 40.0 km wide, and 250 m thick. What is the mass of this iceberg, given that the density of ice is 917 kg/m3?

The weight of an astronout is 60kg on earth, find the wight of the same object on the planet where the gravitational attraction has been reduced to 1/10 of the earths pull

Describe a situation in wich static friction is useful

What is the effect of the magnetic field on the protons? View Available Hint (s) What is the effect of the magnetic field on the protons? The protons are accelerated to the left, toward the S magnetic pole.

following statement supports which theory? "Astronomers have observed protoplanetary disks around distant newborn stars." Big Bang theory Nebular theory Cell theory String theory