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Water has a mass per mole of 18.0 g/mol, and each water molecule (H2O) has 10 electrons.
(a) How many electrons are there in 4.95 liters of water? (1 liter is equivalent to 1.00 × 10-3 m3)
(b) What is the net charge of all these electrons?
a projectile is fired with an initial velocity of 35 m/s at an angle of 30 degrees above horizontal of a 30 feet tall building. find the velocity of the projectile at the ground
a ball is launched with a velocity of magnitude 7.00 m/s, at an angle of 40.0° to the horizontal. find the angle of its displacement from the launch point
The drawing shows three identical springs hanging from the ceiling. determine the weight of the block hanging from the third spring
14 electrons are placed on a metal sphere. if the potential of the sphere is -38 V, what is the radius?
What does it means when I say that a light truck and a heavy truck have the same momentum, What is renewable energy
Order of magnitude estimation: Using physics intuition, estimate the muzzle velocity of a projectile launcher
The position of an object connected to a spring varies with time according to the expression x = (4.4 cm) sin(6.9?t). (a) Find the period of this motion. s (b) Find the frequency of the motion. Hz (c) Find the amplitude of the motion. cm (d) Find ..
During the collision with the ground, he comes to rest in a time of .101 s. The average force exerted on him by the ground is +18000 N, where the upward direction is taken to be the positive direction. Elucidate from what height did the student f..
A motorist drives south at 22 m/s for 3.00 min, then turns west and travels at 25.0 m/s for 2.40 min, and finally travels northwest at 30 m/s for 1.00 min. For this 6.40 min trip, find out the following values.
Find an expression for the loop's velocity as a function of time as it enters the magnetic field. You can ignore gravity, and you can assume that the back edge of the loop has not entered the field
Assume the charge on black hole is 5740 C. At what distance from it is the electric potential equal to 1100 V.
Suppose the highway is icy and the coefficient of friction between the tires and pavement is only one-third what you found in part A. What should be maximum speed of the car so it can round the curve safely?
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