an object with a mass of 6.0 kg accelerates 4.0 m/s² when an unknown force is applied to it. what is the amount of force?

The red shift is a phenomenon resulting from ___ A - the gravity effect B - the doppler effect C - the Copernicus effect D - the newton effect

Describe what it means to view something from a frame of reference

According to the humanist perspective what motivates individuals

The equivalence between gravitational and inertial mass is explained in : the set of all of the events that happened on Earth special relativity general relativity Galilean relativity

Two railroad cars, each of mass 6500 kg and traveling 80 km/h in opposite directions, collide head-on and come to rest. how much thermal energy is produced in this collision?

A heat engine has a cold reservoir of 250°C and a hot reservoir of 715°C. What is the efficienvy of the engine?

Which type of electromagnetic waves have longer wavelengths that the waves that make up visible light.

A charge of 11 mu or micro CC is 10 cm above the center of a square of side length 20 cm. Find the flux through the square.

A 12.0 khz, 16.0 v source connected to an inductor produces a 4.00 a current. what is the inductance?

The personal cost per smoker per year is estimated to be $2,500.