N= 5*4/8.314*298
the average lifespan of a man is 48 years, for how many nanoseconds is this life span
Whta is Newton’s 2nd Law
You are driving along a highway at 35.0 m/s when you hear the siren of a police car approaching you from behind and you perceive the frequency as 1,310 hz. you are relieved that he is in pursuit of a dierent speeder when he continues past you, but now you perceive the frequency as 1,240 […]
What is the self-inductance of a solenoid 30.0 cm long having 100 turns of wire and a cross-sectional area of 1.00 × 10-4 m2?
What is the acceleration of an object if the velocity of am objects changes from 65 ms during a time interval of 12 s?
A train travels 63 kilometers in 2 hours, and then 72 kilometers in 4 hours. What is its average speed?
Mike shoots a large marble (Marble A, mass: 0.05 kg) at a smaller marble (Marble B, mass: 0.03 kg) that is sitting still. Marble A was initially moving at a velocity of 0.6 m/s, but after the collision it has a velocity of –0.2 m/s. What is the resulting velocity of marble B after the […]
A baseball is seen to pass upward by a window 20 m above the street with a vertical speed of 15 m/s. the ball was thrown from the street. (a) what was its initial speed? m/s (b) what altitude does it reach? m (c) how long after it was thrown did it pass the window? […]
The sixth string of a guitar has standard tuning frequency of 82.41 hz. if the length of the vibrating string is 95.0 cm and its mass density is 8.90 g/m, what is the tension in the string at the standard tuning frequency?