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Q1. What mass (in grams) of steam at 100 C must be mixed with 175 g of ice at its melting point, in a thermally insulated container, to produce liquid water at 50.0 C?
Q2. On a dry road, a car with good tires may be able to brake with a constant deceleration of 4.28 m/s2. (a) How long does such a car, at first travelling at 26.4 m/s, take to stop? (b) How far does it travel in this time?
Defined time necessary for one complete oscillation
What is the ratio of the amplitude
Displacement d2 is in the xz plane 30° from the positive direction of the x axis, has a positive z component, and has magnitude 1.10 m.
A spring with spring constant 12.5 hangs from the ceiling. A 400 ball is attached to spring and allowed to come to rest. It is after that pulled down 6.80 and released. What is the time constant if the ball's amplitude has decreased to 3.90 after 57...
Obtain an expression for the velocity
What is inductance of the solenoid
What is an acceleration of two falling sky divers (mass 120.0 kg including parachute) while the upward force of air resistance is equal to one-fourth of their weight.
What is magnitude of the runner total displacement
Points A and B have electric potentials of 320 and 160, respectively. When an electron released from rest at point A arrives at point C, its kinetic energy is.
Find an average magnitude of the induced emf . A bungee jumper, who's mass is 79 kg, jumps from a tall building. After reaching his lowest point, he continues to oscillate up and down, reaching the low point two more times in 8.2 s.
An underwater diver sees the sun 58{rm ^circ} above horizontal. How high is the sun above the horizon to a fisherman in the boat above the diver.
A 3.40 g coin is positioned 16.0 cm from the center of a turntable. The coin has static and kinetic coefficients of friction with the turntable surface of mu_s = 0.720 and mu_k = 0.480. What is maximum angular velocity with which the turntable can sp..
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