A tricycle releases 60.0 j of gravitational potential energy while rolling 0.330 m directly downhill along a ramp. what is the downhill force (if constant) acting on the tricycle?

Which factors affect the resistance of a material? Check all that apply. length currer thickness temperature voltage

What is the relationship between the wavelength of a wave and its energy? A) The energy is always greater. B) They are directly proportional. C) They are inversely proportional. D) The wavelength is always greater.

A body is projected from the ground at an angle of 30° with the horizontal at an initial speed of 128 ft/s. Ignoring air friction, determine: a) in how many seconds it will strike the ground. b) how high it will go. c) what its range will be.

It takes a bus driver 30 min to pick up students from four stops. The last stop is at the corner of green street and route 70. The most direct route to school is north on route 70. The speed limit on route 70 is 35 kph.

Fifty grams of water cooled from 50 'C to 10 'C. If the specific heat of water is 4.2, how much heat was released? A) 480 J B) 840 J C) 4800 J D) 8400 J

Which pharaoh ordered the use of millions of man hours and extraordinary resources to create the Great Pyramid at Giza? A) Amenhotep B) Khufu C) Menes D) Tutankhamen

5. The group number of the carbon family is: a. 1 b. 2 C. 3 d. 4

Which particles have the strongest attraction between them: the particles of a gas, the particles of a liquid, or the particles of a solid?

A skydiver falls toward the ground at a constant velocity. Which statement best applies Newton's laws of motion to explain the skydiver's motion?

Which of the following statements is/are true? Check all that apply. Check all that apply. The work done by a conservative force depends on the path taken. A potential energy function can be specified for a conservative force.