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A red laser pointer with a wavelength of 635 nm is shined on a double slit producing a diffraction pattern on a screen that is 1.75 m behind the double slit. The central maximum of the diffraction pattern has a width of 4.30 cm, and the fourth bright spot is missing on both sides. What is the size of the individual slits?
What is the separation between them?
A child sitting 2.00 m from the center of a merry-go-round moves with a speed of 1.65 m/s. Compute the centripetal acceleration of the child (m/s), and the net horizontal force exerted on the child (N). (m = 29.0 kg).
a 30 kg child on a sled slides down a frictionless slope angled at 15 degrees with respect to the horizontal. what is the magnitude of the wind force, F, such that the acceleration of the child is 1 m/s^2
A banked curve has been designed so that it is safest for a vehicle going 70mph. A 5512 lb vehicle travels with a speed of 60 mph on the curve. Calculate the force that the road exerts on the vehicle
An object with mass 3.7kg is executing simple harmonic motion, attached to a spring with spring constant 270N/m, find the maximum speed attained by the object
A point on the rim of a 0.25-m-radius rotating wheel has a centripetal acceleration of 4.0 m/s^2. What is the angular speed of the wheel
You throw a bouncy ball directly down toward the ground. When it leaves your hand, 1 m above the ground, it is moving at 5 m/s. What is the ball's maximum height after it bounces
The potential difference between the surface of a 2.5cm -diameter power line and a point 1.6m distant is 4.1kV. What is the line charge density on the power line
Let the mass of object 1 be m and the mass of object 2 be 3m. what are the velocities of the two objects after the collision
During the pitching motion, a baseball pitcher exerts an average og 60 N against the0.15kg baseball while moving it through a horizontal displacement of 2.0 m before he releases it
A light, flexible cable is wrapped around a solid cylinder with mass 3.5 kg and radius 0.8 meters.
A spring of negligible mass has force constant = 1500 . How far must the spring be compressed for an amount 3.10 of potential energy to be stored in it? Find the maximum distance the spring will be compressed
On an exo-planet, a 70-kg astronaut steps on a scale and finds that the scale reads 246 N. A survival pack is dropped a distance 85 m to the ground. How fast will the survival pack be moving just before it hits the ground
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