If all of the forces acting on an object balance so that the net force is zero, then (A) the object must be at rest (B) the object’s speed will decrease (C) the object will follow a parabolic trajectory (D) the object’s direction of motion can change, but its speed cannot (E) None of the above
Izola146 Physics 1 0
The breeze during a sunny day at the beach is usually a result of _________________________________________. A) the water heating faster than the land B) planes flying overheat with large banners C) the land heating faster than the water D) boats passing the shore too closely
starglitter Physics 2 0
A railroad car with a mass of 1.94 ✕ 104 kg moving at 3.28 m/s joins with two railroad cars already joined together, each with the same mass as the single car and initially moving in the same direction at 1.02 m/s. what is the velocity after the collision and the total kinetic energy lost?
Addiepopplewell Physics 1 1
Which motion causes the Coriolis effect onEarth? (1) revolution of Earth around the Sun (2) revolution of the Moon around Earth (3) rotation of Earth on its axis (4) rotation of the Moon on its axis When water vapor condenses, how much heatenergy will be released into the atmosphere? (1) 2260 joules/gram (2) 4.18 joules/gram (3) 334 joules/gram (4) 2.11 joules/gram
XCrunner Physics 1 1