Physics, 21.06.2021 22:20 dabicvietboi
Consider one object which has a temperature of 70°C in another object which has a temperature of 10°C. The two objects are placed next to each other in the particles in each object begin colliding. Will any of the collisions result in the transfer of energy from object to the object one? Explain.
Answers: 3
Physics, 22.06.2019 22:50
Cyclotrons are widely used in nuclear medicine for producing short-lived radioactive isotopes. these cyclotrons typically accelerate h- (the hydride ion, which has one proton and two electrons) to an energy of 5 mev to 20 mev. this ion has a mass very close to that of a proton because the electron mass is negligible—about 1 2000 of the proton’s mass. a typical magnetic field in such cyclotrons is 1.9 t. (a) what is the speed of a 5.0-mev h-? (b) if the h- has energy 5.0 mev and b = 1.9 t, what is the radius of this ion’s circular orbit?
Answers: 1
Physics, 23.06.2019 03:00
Pressure is a measure of force per unit area or p=f/ap=f/a. a student is checking the amount of pressure their car exerts upon the road. the car weighs 22 tons ( us short ton ). the student finds the dimensions of each tire's footprint on the road is 12.5 cm x 16.5 cm. in pounds per square inch (psi), what is the total pressure the car exerts upon the road?
Answers: 2
Physics, 23.06.2019 04:20
The velocity of sound wave in air at 35°c is 353m/s, calculate the velocity of sound at 46°c
Answers: 1
Physics, 23.06.2019 09:30
A0.25 kg arrow is moving at 5 m/s and hits a 0.10 kg apple. the apple sticks to the arrow, and both move to the right together. what is their velocity?
Answers: 1
Consider one object which has a temperature of 70°C in another object which has a temperature of 10°...
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