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The fastest recorded pitch in Major League Baseball was thrown by Nolan Ryan in 1974. If this pitch were thrown horizontally, the ball would fall 0.809 m by the time it reached home plate, 18.3 m away. The acceleration of gravity is 9.81 m/s2. Compute how fast was Ryan's pitch? Answer in units of meters per second.
In the process of electrolysis.... as it is that charges move from negative to positive terminal... and that the cathode is the negative terminal.... so according to me the metal should get deposited on the anode (negative to positive) then why does ..
What would be the equilibrium temperature when a 271 g block of copper at 280°C is placed in a 169 g aluminum calorimeter cup containing 817 g of water at 11.5°C.
Identical point charges of +1.6 ?C are fixed to diagonally opposite corners of a square. Find the sign and magnitude of the third charge
A ray of light strikes a plane mirror at a 45° angle of incidence. The mirror is then rotated by 23° in the clockwise direction, while the incident ray is kept fixed. (a) Through what angle does the reflected ray rotate? (b) What is the answer to par..
A radar for tracking aircraft broadcasts a 12.0GHzmicrowave beam from a 2.00m -diameter circular radar antenna, What is the diameter of the radar beam at a distance of 30.0km
A 340-N sphere 0.20 m in radius rolls without slipping 6.0 m down a ramp that is inclined at 28° with the horizontal. What is the angular speed of the sphere
It took 1 sec for 1000 coulombs of charge flows through a resistor in circuit. How much current flowed through the rsistor
A man of mass 85.0kg is escaping a burning building using a rope that will break if the tension exceeds 700N. With what acceleration must he slide down the rope
a pirate is swimming 4.85 feet under water as he approaches a rival ship. when he is 30.5 feet from the ship he looks
A 410 W Carnot engine operates between constant-temperature reservoirs at 98°C and 49°C. find the rate at which energy is exhausted by the engine as heat
the speed of an object and the direction in which it moves constitute a vector quantity known as the velocity. an
A high-speed drill reaches 2300rpm in 0.51s. What is the drill's angular acceleration
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