Why was Copernicus's heliocentric model not believed until gailileo and Kepler provided more evidence?

Interactions between biosphere and hydrosphere

A block of mass 2m is moving in the positive x-direction with velocity + 4v. Another block of mass 3m is moving in the negative x-direction with velocity - v a. [5 pt] Find the velocity of the center of mass of the two block

Which item contains a switch that opens when the current in a circuit is too high? grounded plug circuit breaker electrical insulator fuse

A skydiver of mass 80.0 kg jumps from a slow-moving aircraft and reaches a terminal speed of 50.0 m/s. (a) What is her acceleration when her speed is 30.0 m/s? What is the drag force on the skydiver when her speed is

As the velocity of a runner increases, which type of energy also increases?

Which of the following is NOT a type (shape) of galaxy? Question 3 options: a) triangular b) irregular c) spiral d) elliptical

A person lies on a platform which has a scale under both ends. imagine the scale on the left reads 575 n and the scale on the right reads 280 n. when the person gets off the platform, both scales read 70.0 n.

An electron is ejected at a speed of 1.7*10^6 m/s from the electron gun of a computer monitor. If the viewing screen is 32 cm from the end of the gun, how far will the electron travel in the vertical direction before hitting the screen?

Light from a lamp is shining on a surface. How can you increase the intensity of the light on the surface? Light from a lamp is shining on a surface. How can you increase the intensity of the light on the surface? A.

If a wave were to hit a flexible, moveable surface what will it do?