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A 150-gm ball is attached to a 3-m long string to form apendulum. The pendulum is pulled until it forms an angle of 45degrees with the vertical. If the ball is given an initial velocityof 5 m/s, calculate its maximum speed after it was released.
An electron in a television picture tube travels at 3 x107 m/s and is acted on both by gravity and by theearth's magnetic field. Which exerts the greater force on the electron
You throw a ball with a speed of 25.0m/s at an angle of 40degrees above the horizontal directly toward a wall. The wall is22.0m from the release point of the ball. How long does the ball take to reach the wall
A pilot having mass M(kg) flies a plane in a vertical loop with a radius of 800m at a constant speed of 500 km/h. Determine the force exerted on the pilot by the seat at both the top and bottom of the loop
A projectile is fired horizontally from a gun that is 48.0 m above flat ground, emerging from the gun with a speed of 280 m/s. How long does the projectile remain in the air
Light of wavelength 550 nm falls on a 0.50 mm wide slit and forms a diffraction pattern on a screen 1.7 m away. Find the width of the central maximum
An object with mass 2.0 kg is attached to aspring with spring stiffness constant k = 290 N/m, Calculate the maximum velocity attained by the object
jupiter has about 300 times the mass of earth and about ten times earth radius. estimate the size of g on the surface
1 what is the spring stiffness of the entire wire considered as a single macroscopic very stiff spring?2 how many
Two point charges, +3.70 µCand -6.10 µC, are separated by 1.60 m. What is the electric potential midway between them
an object is moving along a straight line and the uncertainty in its position is 1 m.a find the minimum uncertainty in
The semiconducting compound ZnS is widely used for ultraviolet light emitting diodes (LED's). find the frequency of light emitted by a ZnS LED
A person with mass m1 = 59.0 kg stands at the left end of a uniform beam with mass m2 = 93.0 kg and a length L = 2.9 m. Another person with mass m3 = 68.0 kg stands on the far right end of the beam and holds a medicine ball with mass m4 = 13.0 kg
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