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A 0.17kg ball is thrown vertically upwards with a velocity of 34m/s at the edge of a 22m cliff. Neglect air resistance.
Calculate:
i) The height to whcih the ball rises above the cliff, h.
ii) The total time after release fo the ball to reach the ground
iii)The velocity of te ball when it reaches the ground.
The speed of the block at the bottom of the track is vA = 13.1 m/s, and block experiences an average frictional force of 7.00 N while sliding up the track.
What current is required in the windings of a long solenoid that has 1710 turns uniformly dispersed over a length of 0.547 m in order to produce a magnetic field of magnitude 0.0002 T at the center of the solenoid.
The figure shows the light intensity on a screen behind a double slit. The slit spacing is 0.20 mm, What is the distance from the slits to the screen
The activity of a radioactive source decreases by 5.2% in 28 hours. What is the half-life of this source
We can use 30kJ of work from a heavy-duty pushing robot that can apply different constant forces. Draw a free-body diagram for the freigh
illustrate what is the magnitude of the acceleration of the box and hanging mass?
A -11.0kg bucket is lowered vertically by a rope in which there is 163N of tension at a given instant, What is the acceleration of the bucket
The critical angle for a special type of glass in air is 41.8. The index of refraction for water is 1.33. What is the critical angle if glass is immersed in water.
Find out the shear strain that results if a force of magnitude 5.00×105 is applied to the top square face of the plate, parallel to the side, and a force of equal magnitude is applied in the opposite direction to the bottom face of the plate as s..
A student is reading a lecture written on a blackboard. If the writing on the blackboard is 4.84 cm high, what is the height of the image on her retina
Three forces in the x-y plane act on a 5.80 kg mass: 15.30 N directed at 59o, 12.20 N directed at 170o, Calculate the direction of the resultant force using the same sign convention as above
A certain crystal has a set of planes 0.31 nm apart. A beam of neutrons strikes the crystal at normal incidence, What is the de Broglie wavelength of the neutrons
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