An astronaut has two objects that are identical in all respects, except that one is painted black and the other is painted silver. initially, they are at the same temperature. when taken from insidethe space shuttle and placed in outer space, which object, ifeither, cools down at a faster rate? a. the object painted black. b. both objects cool down at the same rate. c. the object painted silver. d. it is not possible to determine which object cools down at thefaster rate.
Answers: 1
Physics, 21.06.2019 23:20
In the sport of parasailing, a person is attached to a rope being pulled by a boat while hanging from a parachute-like sail. a rider is towed at a constant speed by a rope that is at an angle of 15 ∘ from horizontal. the tension in the rope is 1900 n. the force of the sail on the rider is 30∘ from horizontal. what is the weight of the rider? express your answer with the appropriate units.
Answers: 1
Physics, 22.06.2019 01:40
In all trials, the magnitude of the final velocity for g1 + g2 was less than the magnitude of any initial velocity. as mass increased, what happened to the velocity? the velocity decreased. the velocity increased. the velocity of g1 + g2 could not be measured. the velocity was not affected by the mass increase.
Answers: 1
Physics, 22.06.2019 13:10
A0.750 kg aluminum pan is removed from the stove and plunged into a sink filled with 10.0 kg of water at 293 k. the water temperature quickly rises to 297 k. what was the initial temperature of the aluminum pan? the specific heat of aluminum is ca = 900 j/(kgk) and water is cw = 4190 j/(kgk)
Answers: 3
An astronaut has two objects that are identical in all respects, except that one is painted black an...
Computers and Technology, 07.10.2021 01:00
Medicine, 07.10.2021 01:00
Computers and Technology, 07.10.2021 01:00
English, 07.10.2021 01:00
Advanced Placement (AP), 07.10.2021 01:00
Biology, 07.10.2021 01:00
Mathematics, 07.10.2021 01:00
Chemistry, 07.10.2021 01:00
Mathematics, 07.10.2021 01:00
Biology, 07.10.2021 01:00
Computers and Technology, 07.10.2021 01:00
Computers and Technology, 07.10.2021 01:00
Computers and Technology, 07.10.2021 01:00
Chemistry, 07.10.2021 01:00