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on april 22, D avid Ortiz of Boston Red Sox hit a home run on a 92mph fastball thrown horizontally from New York Yankee pitcher Masahiro Tanaka. The baseball m=145g left Ortiz's bat with a speed of 120mph at an angle of 42 above the horizontal . If the ball was in contact with the bat for 0.001s, find the force exerted on the ball by the bat.
Although both stars probably formed from the same clump of gas, more massive one must have had its birth slowed so that it became a key -sequence star millions of years later than its less massive companion.
Explain what is the current in the cell during this period? Assume that the gold ions carry one elementary unit of positive charge.
A cyclist is traveling at an initial speed of 10.0m/s. She accelerated at a rate of 0.500m/s^2. What is her final speed after 9.
Three charged particles are arranged into a triangle. The charge on the particle located (4.0cm, 3.0cm) is 5nC. The charge on the particle at the origin is -3nC, and the change on the particle located at (4.0cm, 0cm) is +6nC. Determine the magnitu..
Pitman Co's tax rate is 40% for 2013 an all future years. At the end of 2013, the following deferred tax account and balance that should be reported on Pitman's balance sheet is?
Observer S detects two flashes of light. A big flash occurs at x1 = 1242 m and, 6.06 ?s later, a small flash occurs at x2 = 802 m. what is the time interval between the flashes
A person stands on a bathroom scale in a motionless elevator. When the elevator begins to move, the scale briefly reads only 0.82 of the person's regular weight, Find the direction of the acceleration
The coefficient of kinetic friction between dresser and the floor is and is the acceleration because of gravity. The floor exerts upward normal forces with magnitudes and where the dresser's legs rest on the floor. Note that this is a 2-dimensiona..
Charge of -3.30 nC and a charge of -6.25 nC are separated by a distance of 40.0 cm. Find out the position at which a third charge of +7.60 nC can be placed so that the net electrostatic force on it is zero.
If the partial pressure of water vapor is 47 mm Hg in the lungs at 760 mm Hg pressure, what percentage of air does the water vapor constitute?
Apply those results to get how much slower a clock goes near the earth than one, which is higher up.
Once free of this area, it speeds up to 13 m/s in 8 {rm s}. At the edge of town, driver again accelerates, with the same acceleration, for another 16 {rm s} to reach a higher cruising speed.
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