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Q. A proton (mass= 1.67 10-27 kg, charge= 1.6 10-19 C) travelling with 1.10 x10^6 m/s enters a region of space containing a uniform magnetic field of 1.4 T. What is the time t required for the proton to re-emerge into the field-free region?
Q. Block 1, of mass m_1 = 0.500 kg, is connected over an ideal (massless and frictionless) pulley to block 2, of mass m_2. Suppose that the blocks accelerate with an acceleration of magnitude a = 0.550 m/s^2 and that coefficient of kinetic friction between block 2 and the plane is mu = 0.400.Find out the mass of block 2, m_2, when theta = 30.0^circ.
A 21 g bullet travelling at 255 m/s is fired into a 0.452 kg wooden block anchored to a 100 N/m spring. How far is spring compressed to the nearest thousandth of a meter.
What is an average number of ozone molecule
A projectile is launched at some speed at an angle of 74 degrees and travels a range of 262 meters. The launch angle is after that changed, but the projectile is fired at the same speed as the original case and also travels the same range of 272 m..
What least number of grooves is required for a grating
What average force athletes legs apply on a ground
If you drop an aspirin and it takes 0.18 sec to hit the table, how high above the table was the aspirin when it released?
How to compute the average force
Two charged Ping-Pong balls separated by the distance of 1.62 m exert an electric force of 0.0234N on each other. What will be the force if the objects are brought closer, to a separation of only 31.4 cm.
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Find out the magnetic force on the rod
The wind blows with a force of 425N north on a sail boat, while the water exerts a force of 325N west on the sailboat. Find out the magnitude and direction of the net external force on the sailboat.
The air-track carts in the figure are sliding to the right at 1.0 m/s. The spring between them has a spring constant of 120 N/m and is compressed 4.5 cm. Compute the speed of the air track carts held by a string together.
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