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A horizontal spring attached to a wall has a spring constant of 500 N/m. A dart of mass 0.4 kg hits the spring while travelling at 5m/s.
Part A: How much does the spring compress when the speed of the dart is half the speed at which it hits the spring?
Part B: What is the maximum amount that the spring compresses after the dart hits it?
Part C: Instead of being placed horizontally, consider the case where the spring is attached vertically to the floor. If the dart is placed on top of the spring and released from rest, what would be the maximum amount that the spring compresses?
Name any three magnetic materials that we may have come across in our day to day life?
Describe what are the (a) magnitude and (b) direction of the boat's velocity relative to the ground? (c) How long does the boat take to cross the river?
A loaded ore van has a mass of 920 kilogram and rolls on rails with negligible friction. Compute what maximum power must the winch motor provide
A 4.4 kg block of aluminum is heatedat atmospheric pressure so that its temperature increases from28.5°C to 44.0°C. Find the change in the block's internal energy
Light with a frequency of 5.8E14 Hz travels in a block of glass that has an index of refraction 0f 1.52. What is the wavelength of the light in both the vacuum and the glass
If you lie on the ground at night with no cover, you get cold rather quickly. Much of this is due to energy loss by radiation. Estimate the net rate at which your body loses energy by radiation to the night sky under these conditions
A student wants to loose weight, and he decides to burn calories faster by sitting necked in a 16 C room, letting his body radiate calories away.
At which three points x_1, x_2, and x_3 closest to x=0 but with x>0 will the displacement of the string y(x,t) be zero for all times? These are the first three nodal points. Express the first three nonzero nodal points in terms of the wavelength l..
A train moving at a constant speed of 66.0 km/h moves east for 43.0 min, then in a direction 56.0° east of due north for 16.0 min, find the average velocity of the train during this run
A beam of natural light is incident on an air-glass interface(nti=1.5) at 40 degrees. Compute the degree ofpolarization of the reflected light
q1. a small metal bead labelled a has a charge of 29 nc. it is touched to metal bead b initially neutral so that the
An electron moves through a uniform magnetic field given by =Bx i +(2.40 Bx) j . At a particular instant, the electron has velocity =(1.92 i +4.61 j ) m/s and the magnetic force acting on it is (3.08 X 10-19 N) k. Find Bx.
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