A 3,000-kg car bumps into a stationary 5,000-kg truck. The velocity of the car before the collision was + 4 m/s and - 1 m/s after the collision. What is the velocity of the truck after the collision?

The source of the sun's heat is A. nuclear fission. B. nuclear disintegration. C. nuclear fusion. D. nuclear separation.

100g of water (specific heat=4.184J/g*C) and 100g of a metal sample (specific heat = 0.397J/g*C) are heated from 25C to 75C. Which substance required more thermal energy to reach 75C? (Explain your reasoning) ...?

If white light illuminates a diffraction grating having 690 lines/mm, over what range of angles does the visible m = 1 spectrum extend?

A coil has n turns enclosing an area of a. in a physics laboratory experiment, the coil is rotated during the time interval δt from a position in which the plane of each turn is perpendicular to earth's magnetic field to one in which the plane of

Is the force that earth exerts on you larger, smaller, or the same as the force you exert on it?

What effect does an increase in temperature have on viscosity?

Aman tosses a jart upward with a velocity of 14.1 m/s a 60° angle

Describe accuracy, precision and best fit line.

Convert 255 cm to meters, millimeters, and kilometers

7.) A car starts from rest and accelerates uniformly at 1.7 m/s/s. How long will it take the car to reach a speed of 34 m/s? A 200 s B 58 s C 20 s D2 s