While the cart is moving along an aisle, it comes in contact with a smear of margarine that had recently been dropped on the floor. suddenly the friction force is reduced for -40.0 newtons to -20.0 newtons. what is the net force on the cart if the "pushing force" remains at 40.0 newtons? does the grocery cart move at constant velocity over the spilled maragine?
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Physics, 22.06.2019 11:30
If the chemical properties of a substance remain unchanged and appearance or shape of a substance changes it is called a ?
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Physics, 23.06.2019 01:20
Afisherman notices that his boat is moving up and down periodically, owing to waves on the surface of the water. it takes a time of 2.70 s for the boat to travel from its highest point to its lowest, a total distance of 0.700 m. the fisherman sees that the wave crests are spaced a horizontal distance of 6.50 m apart. a. how fast are the waves traveling? b. what is the amplitude a of each wave?
Answers: 1
Physics, 23.06.2019 02:30
Aswimmer is determined to cross a river that flows due south with a strong current. initially, the swimmer is on the west bank desiring to reach a camp directly across the river on the opposite bank. in which direction shoud the swimmer head? a. the swimmer should swim southeast. b. the swimmer should swim south. c. the swimmer shuold swim northeast. d. the swimmer should swim due north. e. the swimmer should swim due east.
Answers: 2
While the cart is moving along an aisle, it comes in contact with a smear of margarine that had rece...
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