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A cannon with a mass of 115 kg shoots a cannonball with a mass of 8 kg .If the speed of the cannon ball as it leaves the cannon is 185 m/s,what is the speed of the cannon at that time??(assume cannon is initially at rest,not fastened down in any way,and there is no friction between cannon and the ground)
If a washing machine's drum has a radius of 26 cm and spins at 4.0 rev/s, what is the strength of the artificial gravity to which the clothes are subjected
q1. what do superstring theories try to elucidate?a. forces holding super clusters of galaxies togetherb. behaviour of
An electron is shot upward directly perpendicular to the lower plate of a parallel plate capacitor. Its initial velocity is 3.0 x 104 m/s. What must be the potential of the upper plate if the electron stops just before reaching it? The lower plate..
Consider a neutron star whose mass is twice the mass of the Sun and whose radius is 14.1 km. What is the radius of the geostationary orbit for this neutron star
Compute the camels eastward displacement
A 2000-kg elevator is rising and its speed is increasing at 4 m/s^2. What is the tension in the elevator cable
Two cars travel in the same direction along a straight highway, one at a constant speed of 55 mi/h and the other at 70 mi/h. How far must the faster car travel before it has a 15-min lead on the slower car
How long after the arrow was shot must the apple be dropped, in order for the arrow to pierce the apple as the arrow hits the tree.
An ocean liner leaves New York City and travels 13° north of east for 268 km. How far east and how far north has it gone? In other words, what are magnitudes of the components of the ship's displacement vector in the following directions.
A small object of mass 3.58 g and charge -17.4 µC is suspended motionless above the ground when immersed in a uniform electric field perpendicular to the ground
The current in an RL circuit builds up to one-third of its steady state value in 3.80 s. Find the inductive time constant
Suppose that a disk rotates through two revolutions in 4.2 seconds. What is its displacement in radians in this time
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