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In a particle accelerator, a proton reaches an acceleration of 9.0 × 1013 m/s2. The mass of a proton is 1.7 × 10 -27 kilograms. Evaluate what is the force on the proton?
a basketball leaves a players hands at a height of 2.25 m above the floor. the basket is 3.05 m above the floor. the
the earth takes slightly less than one day to complete one rotation about the axis passing through its poles. what is the angular speed of the earth about its axis
The reflecting surfaces of two mirrors form a vertex with an angle of 125 degrees.If a ray of light strikes mirror 1 with an angle of incidence of 58 degrees, find the angle of reflection of the ray when it leaves mirror 2.
0.015mol of a diatomic gas, with initial temperature 18 degrees C , How much heat is added during this process
Small spheres of diameter 1.03 mm fall through 20°C water with a terminal speed of 1.00 cm/s. Calculate the density of the spheres
A 2.20 sound wave travels through a pregnant woman's abdomen and is reflected from the fetal heart wall of her unborn baby. The heart wall is moving toward sound receiver as heart beats. The reflected sound is after that mixed with the transmitted so..
The radiation emitted by the primordial fireball of the big bang had a blackbody spectrum corresponding to about 3000 K. We can still see this radiation but now it has a spectrum corresponding to about 2.7 K. 1. What is this radiation called and why ..
The intensity of sunlight at the top of the Earth's atmosphere is about 1360W/m^2. What is the total power emitted by the Sun
An aluminium cup contains 225 g of water and a 40 g copper stirrer, all at 27°C. A 430 g sample of silver at an initial temperature of 87°C is placed in the water. The stirrer is utilized to stir the mixture gently until it reaches its final equilibr..
captain carmen fires a pistol at captain black but the lead ball misses and hits the oak mast. if the .05kg ball is
consider samples of pure h2g and pure o2g each at 300 k and 1 atm. for each of the following properties state which gas
A projectile is fired at 60.0 o above the horizontal. Its initial speed is equal to 150.0 m/s. Like most problems in this class (2010), ignore the effects of air unless told otherwise
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