Physics, 07.07.2020 14:01, madisonreynolds2208

HELP EASY PHYSICS QUESTION 1.A ball at rest is dropped from the top of an inclined plane at a height of 50 cm. What is the speed of the ball when it reaches the bottom of the plane? a.3.13 m/s b.4.9 m/s c.9.8 m/s d.31.3 m/s 2. A 25 kg crate is moved through a distance of 4 m by a horizontal force of 60 N. What is the work done by the frictional force in moving the crate if the coefficient of kinetic friction is 0.2? a.240 J b.-240 J c.-196 J d.196 J

Answers: 3

Show answers

Other questions on the subject: Physics

Physics, 21.06.2019 16:30, ericuh

Which statement best describes resistance? resistance is a. how well a current will flow in a material and is measured in volts. b. how well a material conducts an electrical charge and is measured in ohms. c. the ability of a material to attract a positive charge to create a current. d. the ability of a material to repel neutral charges and is measured in ohms.

Answers: 3

continue

Physics, 22.06.2019 12:10, anaroles04

Light traveling in water, nwater = 1.33, strikes a plastic block at an angle of incidence of 51.4°; part of the beam is reflected and part is refracted. if the index of refraction of the plastic is 2.0, what is the angle made by the reflected and refracted beams?

Answers: 2

continue

Physics, 22.06.2019 19:00, lindseybug

The friction of the water on a boat produces an acceleration of -10. m/s2. if the boat is traveling at 30. m/s and the motor is shut off, how long it take the boat to slow down to 5.0 m/s?

Answers: 1

continue

Physics, 23.06.2019 00:00, jazminemendezhidalgo

If water vapor with the mass of 35.0 grams is cooled and condensed into water in a closed system such as a closed glass jar, what is the mass of the water after the water vapor completely condenses? a) 34.5 grams b) 35.0 grams c) 35.5 grams d) the mass cannot be determined without knowing the volume

Answers: 2

continue

Do you know the correct answer?

HELP EASY PHYSICS QUESTION 1.A ball at rest is dropped from the top of an inclined plane at a height...