Important result of french revolution

For Cepheid Variable stars, what property of those stars can be observed that reveal its TRUE brightness (which can then be used to calculate distance) ?

A large truck collides head-on with a small car. The car is severely damaged as a result of the collision. According to Newton's third law, how do the forces acting between the truck and car compare during the collision

What scale measures the strength of tornadoes? a. Richter scale c. Anderson scale b. Fujita scale d. Dorothy scale

How many electrons do the elements of the most stable group have in their outer energy levels

A grasshopper jumps with a speed of 3 m/s from a leaf. It flies through the air for 2 seconds before landing on a fence. How far is the leaf from the fence? A. 4 meters B. 5 meters C. 6 meters D. 8 meters

In what way does varying the length of the string change the vibration

A 1200 kg car moving at 7.8 m/s collides with a stationary car of mass 1500 kg. if the two vehicles lock together, what is their combined velocity immediately after the collision?

Which have more kinetic energy a 100g ball, a 200g ball, or a 500g ball explain

An internal combustion engine uses fuel, of energy content 44.4 MJ/kg, at a rate of 5 kg/h. If the efficiency is 28%, determine the power output and the rate of heat rejection.

Fleas often live on dogs or cats and bite them for meal of blood. This can be harmful to the cat or dog that is bitten. What type of symbiotic relationship is that?