In which sound wave application are sound waves absorbed?
- echolocation
- ultrasonic cl...
Physics, 16.04.2020 05:13, TombRaider167
In which sound wave application are sound waves absorbed?
- echolocation
- ultrasonic cleaners
- ultrasound imaging
Answers: 3
Physics, 22.06.2019 12:00, P4thing
Under the action of a constant force an object accelerates at 7.8 m/s2. what will the acceleration be if (a) the force is halved? (b) the object's mass is halved? (c) the force and the object's mass are both halved? (d) the force is halved and the object's mass is doubled?
Answers: 3
Physics, 22.06.2019 14:40, babygirl091502
The experiment done in lab is repeated, using a ball that has unknown mass m. you plot your data in the form of f 2 versus m/l, with f in rev/s, m in kg, and l in m. your data falls close to a straight line that has slope 3.19 m/(kg · s2). use g = 9.80 m/s2 and calculate the mass m of the ball.
Answers: 1
Physics, 22.06.2019 16:30, belle5828
3. a lunar exploration vehicle was created by a research team. it weighs 3,000 kg on the earth. it needs an acceleration of 10 m/s2 on the moon. in order to have the same acceleration, what will be the net force acting on the vehicle on the earth?
Answers: 2
Mathematics, 31.07.2019 13:30
Mathematics, 31.07.2019 13:30
Chemistry, 31.07.2019 13:30
Social Studies, 31.07.2019 13:30
History, 31.07.2019 13:30
Physics, 31.07.2019 13:30