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A 0.58 kg block is attached to a spring with a force constantof 116 n/m is free to move on a frictionless, horizontal surface.The block is then released then stretched to 0.13 m.
At that instant what is the force acting on the block_____________N
At that instant, what is the acceleration________________m/s^2
An eyepiece of 2.6- cm focal length and an objective of 0.32- cm focal length are used in a standard microscope
A 10 g bullet moving 1000 m/s strikes and passes through a 2.0-kg block initially at rest. The bullet emerges from the block with speed of 400 m/s. a.) How much energy was lost in the collision? b.) Calculate the average force exerted on the block as..
A commuter train blows its 200-Hz horn as it approaches a crossing. The speed of sound is 335 m/s. An observer waiting at the crossing receives a frequency of 208 Hz. What is the speed of the train
Galileo's great-great-great grandchild stands at the top of a vertical tower 53.4 m tall with a Chianti bottle, What is the velocity of the bottle as it hits the ground, if it was just dropped from the tower
a rocket with inital mass 1000 kg adjusts its thrust byvarying the rate at which mass is ejected. the ejection speedrelative to the rocket is 30 km/s. find at what rateis mass being ejected at that instant
The Sun revolves around the center of the Milky Way Galaxy at a distance of about 30,000 light-years from the center, how many stars would there be in our Galaxy
You throw a 5-kg ball from a platform (releasing the ball at a height of 5 m) with a speed, 10 m/s, at an angle of 30° with respect to the horizontal. Find the total speed of the ball when it hits the ground
Human skin is most sensitive to ultraviolet light of approximate wavelength 300 nm, I know the energy of the light is 6.626e-19 J. The threshold for sunburn occurs when 1 cm2 of skin absorbs about 1015 of these UV photons over an interval of seve..
What is diameter of the circle
A tractor tows a plane from its airport gate, doing 8.9MJ of work. How far does the tractor move the plane
consider this nasa decides to build a house on the moon and to keep time they send up the grandfather clock from the
what is the magnitude of the angular acceleration of a 25.0-kg disk of radius 0.800 m when a torque of magnitude 40.0 n
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