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A 12kg projectile is launched with an initial vertical speed of 20m/s. It rises to a height of 18m above the launch point. How much work is done with the dissipative resistive force on the projectile during this ascent?
a car is traveling at 61.04 mph. the driver applies the brakes and the car decelerates at 1.97 ms2. what is the
A of 0.107 kg · m2 about its axis of rotation. A 33.5 g piece of clay is thrown at the vane and sticks to it at a point 18.5 cm from the axis. The initial velocity of the clay is 20.5 m/s, directed perpendicular to the vane.
A diverging lens with f = -25.5cm is placed 16.5cm behind a converging lens with f = 22.0cm. Where will an object at infinity be focused
this is modern physics not classical physics.an electron and a proton are each accelerated starting from rest through a
An uncharged capacitor is connected to a 44.0V battery until it is fully charged, after which it is disconnected from the battery. What will now be the voltage between the plates
A 15 pF capacitor is charged to 1 kV and then removed from the battery and connected in parallel to an uncharged 65 pF capacitor, Find the change in energy
Suppose you want to design a microscope so that for a fixed distance between the two lenses, If you want the distance between the eyepiece and objective to be 35 cm, what should the focal length of the objective be
When an apple falls from a treeand strikes the ground without bouncing, what happens to itsmomentum?
A disk spins with increasing angular velocity. Point Q on the disc is twice as far from the axis of rotation as in point P. Which point has the larger radial acceleration
An electron with mass 9.11×10-31 kg moves with a speed of 2.10×106 m/s in a circle of 2.94 cm radius under the influence of a magnetic field. What is the radius of the proton's orbit
A 300 gram chunk of clay is thrown at a door with a velocity of 10 m/s. The clay sticks to the door. Determine whether the interaction is elastic
the normal human eye has maximum visual acuity with a pupil size of about 3 mm. for larger pupils acuity decreases due
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