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a) A projectile launcher is set up in lab at a height of 1.05 meters above the lab floor. A projectile is launched with an initial speed of 1.07 m/s at an angle of 49 degrees above horizontal. What is the horizontal distance which the projectile travels before it hits the ground?
b) A student pulls a box of books on a smooth horizontal floor with a force of 100 N in a direction of 37.0o above the horizontal. If the mass of the box and the books is 40.0 kg, what is the normal force on the box?
c) Question 6 In the 2008 Summer Olympics, Michael Phelps won the 100-m butterfly swim in a time of 50.58 seconds. The second place swimmer, Milorad C%u030Cavic%u0301, finished with a time of 50.59 seconds. Based on this information, how far ahead of C%u030Cavic%u0301 was Phelps when Phelps finished the race? answer it in CM
Find out the maximum height reached by the rocket.
The 20-cm-long wrench in the figure swings on its hook with a period of 0.74s, What is the wrench's moment of inertia about the hook
A 12-kg block initially slides at 18 m/s on a flat rough surface and eventually stops. what is the entropy change of the system
A Carnot air conditioner takes energy from the thermal energy of a room at 294 k and transfers it as heat to the outdoors, which is at 309 k. for eacg joule of electric energy needed to operate the air conditioner, how many joules are removed from..
The coil of a generator has a radius of 0.16 m. When this coil is unwound, the wire from which it is made has a length of 5.8 m. What is the peak emf of this generator
A satellite with a mass of 330 kg moves in a circular orbit 8.00 multiply.gif 107 m above the Earth's surface. What is the gravitational force on the satellite
Consider two parallel-plate capacitors, C1 and C2, that are connected in parallel. The capacitors are identical except that C2 has a dielectric inserted between its plates. What is the final voltage across the two capacitors
Two cars are traveling along a straight road. Car A maintains a constant velocity of 110 km/h and car B maintains a constant speed of 110 km/h. At t= 0, car B is 45 km behind car A. How far would car A travel from t = 0, before it is overtaken by c..
A sound wave traveling at 341m/s is emitted by foghorn of a tugboat. An echo is heard 3.30s later.
An arteriole has a length of 1.25 mm and a radius of 21.9 (mili meter) The blood pressure drop along the arteriole is 1310 Pa. Calculate the flow rate through the arteriole
Assume the volume of the tank and the temperature of gas remain constant all through this operation.
The lowest pedal note on a particular large pipe organ has a fundamental frequency of 15.7 Hz. What is the length of pipe between the sounding hole and the open end
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