Physics, 01.12.2020 16:20 eweqwee3147
You are measuring the speed of a projectile using sonar. If the output frequency of 265.5 Hz is reflected back and received by the stationary sonar unit at 251 Hz, what is the speed of the projectile?
Answers: 3
Physics, 21.06.2019 17:10
Aprojectile is launched horizontally 10m above the ground and with an initial velocity of 15 m/s. a) determine the magnitude and direction of projectile velocity at t= 1.3s b) determine the magnitude and direction of projectile acceleration at t=1.3s
Answers: 3
Physics, 21.06.2019 20:00
Experiment scenario 2: a biology student wants to conduct a study of how the amount of food affects the weight gain for mice. i have set up four cages with a mouse in each cage. fill in the boxes that would allow the biology student to complete the study correctly
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Physics, 22.06.2019 02:30
If a refrigerator is a heat pump that follows the first law of thermodynamics, how much heat was removed from food inside of the refrigerator if it released 380j of energy to the room?
Answers: 1
Physics, 22.06.2019 12:30
An object resting on a table weighs 100 n. with what force is the object pushing on the table? with what force is the table pushing on the object? explain how you got your answer.
Answers: 2
You are measuring the speed of a projectile using sonar. If the output frequency of 265.5 Hz is refl...
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