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A 300-g mass at the end of a Hookean spring vibrates up and down in such a way that it is 2.0 cm above the tabletop at its lowest point and 16 cm above its highest point. Its period is 4.0 s. Determine
a) the amplitude of vibration
b) spring constant
c) the speed and acceleration of the mass when it is 9 cm above the tabletop
d) the speed and acceleration of the mass it is 12 cm above the tabletop
The planet Mercury has a mass that is 5.00% of that of Earth, and its gravitational acceleration is gmercury = 3.70 m/s2. a) How long does it take for a rock that is dropped from a height of 2.63 m to hit the ground on Mercury?
The end of the spring is next to the 13 cm mark on the ruler. If a 2.0-kg mass is now attached to the end of the spring, elucidate where will the end of the spring line up with the ruler marks?
Which of following statements is correct
Objects A and B are both positively charged. Both have a mass of 400g , but A has twice the charge of B. When A and B are placed 25cm apart, B experiences an electric force of 0.54N . What is the charge on A? If the objects are released, what is t..
The angle between the electric field vector and the vector normal to the rectangular plane is 65.0 degrees. Illustrate what is the electric flux through the rectangle?
A staging that weighs 440 N supports two painters, one 110 N and the other 460 N. The reading in the left scale is Ft = 800 N. What is the reading Fr, in the right hand scale.
A 2.00 µC charge is experienced by 0.438 N force in an electric field. What is the magnitude of the electric field?
A ball is thrown horizontally from the top of a 55 m building and lands 105 m from the base of the building, How long is the ball in the air in seconds
A hawk flies in a horizontal arc of radius 14 m at a constant speed of 5 m/s. (a) Find out its centripetal acceleration. (b) It continues loftly along the same horizontal arc but increases its speed at the rate of 1 m/s2. Find out the acceleration..
Show that the sun is not at rest in the center of the solar system by calculating the distance from the Sun's center to the center of mass of the Sun-Jupiter system
A block of wood of mass 2 kg is suspended by long, light strings and is at rest. A bullet of mass 40 g, strikes and remains in the block, causing it to swing. The utmost height of the block above its rest position is 51 cm.
A small plane departs from point A heading for an airport 500 km due south at point B, Determine the proper heading for the plane and the time of flight
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