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A man can throw a ball a maximum horizontal distance of 78 m.The acceleration of gravity is 9.8 m/s2.How far can he throw the same ball vertically upward with the same initial speed?
Answer in units of m.
If 43.0 cm of copper wire(diameter=1.22 mm, resistivity=1.69E-8?·m) is formed into a circular loop and placed perpendicular to a uniform magnetic field that is increasing at the constant rate of 9.51 mT/s
A small object with mass 0.200 kg moves with constant speed in a vertical circle of radius 0.500 m. It takes the object 0.400 s to complete one revolution. What is the translational speed of the object
Two balls are moving in the same direction. Ball A has half the mass of ball B, and is moving at twice its speed. Which ball has greater kinetic energy
A 8.40-{\rm kg} block of ice, released from rest at the top of a 1.24-{\rm m}-long frictionless ramp, slides downhill, reaching a speed of 2.65 {\rm m/s} at the bottom. What is the angle between the horizontal and the ramp?
what is the frequency hz of an oscillator with a period of 20 seconds? show how to solve please how much force is
A 4000.0 kg spaceship is traveling toward the moon at a velocity of 20.000 km/s. At the rear of the spaceship, What is the spaceship velocity after the rocket fires
The horizontal component Fx is shown by the histogram below as function of position along x-axis. There is also a kinetic frictional force of 0.50 N between mass and surface.
The crankshaft in a race car goes from rest to 3300{\rm rpm} in 2.7{\rm s}. What is the crankshaft's angular acceleration
At age forty, a man requires contact lenses (f = 58.0 cm) to read a book held 25.0 cm from his eyes. At age forty-five, he finds that while wearing these contacts he must now hold a book 29.0 cm from his eyes.
q1.a 8.0-m long wire with a mass of 10 g is under tension. a transverse wave for which frequency is 570 hz the
A 9 kg rock is suspended by a massless string from one end of a 3 m measuring stick. What is the weight of the measuring stick
A fisherman notices that his boat is moving up and down periodically without any horizontal motion, How fast are the waves traveling
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