Physics, 18.03.2021 02:40 natalyarenassalgado
What gravitational acceleration does an object experience at the instant it is released at
one Earth radius above the surface of the Earth?
A) 1.3 m/s^2
B) 2.45 m/s^2
C) 4.90 m/s^2
D) 9.7 m/s^2
Answers: 3
Physics, 22.06.2019 11:00
1. jay fills a wagon with sand (about 20 kg) and pulls it with a rope 30 m along the beach. he holds the rope 25° above the horizontal. the rope exerts a 20-n tension force on the wagon. how much work does the rope do on the wagon?
Answers: 1
Physics, 22.06.2019 18:50
An insulated thermos contains 148 g of water at 72.7 ˚c. you put in a 11.7 g ice cube at 0.00 ˚c to form a system of ice + original water. the specific heat of liquid water is 4190 j/kg•k; and the heat of fusion of water is 333 kj/kg. what is the net entropy change of the system from then until the system reaches the final (equilibrium) temperature?
Answers: 2
Physics, 23.06.2019 03:30
An object is kept at 45 m high and how much time will it take to reach the ground
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Physics, 23.06.2019 07:00
Calculate the linear momentum of a pickup truck that has a mass of 1000kg, and is traveling eastward at 20 m/s
Answers: 1
What gravitational acceleration does an object experience at the instant it is released at
one Ea...
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