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An object moving on the x axis with a constant accelerationincreases it's x coordinate by 42.7 m in a time of 6.01 seconds andhas a velocity of 20 m/s at the end of this time. Determine the acceleration of the object during this motion. Answer inunits of m/s2.
Using the equation F=m v^2/r for a force an object in circular motion. Find the radius r of motion of a m=1.6 kg ball travelling in a circular path acted upon by a centripetal force F=7N.
Galaxy A is moving away from us with a speed of 0.80c relative to the earth. How fast is galaxy A moving according to an observer in galaxy B
In a double-slit experiment, the second-order bright fringe is observed at an angle of 0.62°. If the slit separation is 0.10 mm, then what is the wavelength of the light? I'm getting 5.4104e-6 nm? But I'm not sure what I'm doing wrong. I've tried it ..
Reflecting telescope is built with a 20-cm-diameter mirror having a 1.00m focal length. It is used with a eyepiece 10X, What is the magnification of the telescope
A model rocket with mass 1.67kg starts from rest on the ground and accelerates upward with engine force 46.8N. find the work done by the rocket engine
q1. a space vehicle is coasting at a constant velocity of 28.5 ms in the y direction relative to a space station. the
Two light sources are used in a photoelectric experiment to determine the work function for a particular metal surface. what is the work function for this metal
A 6.6 kg bowling ball is lifted 2.4 m into a storage rack. Calculate the increase in the ball's potential energy
An electron orbiting a hydrogen atom has an initial energy of -0.544 eV. The atom emits a photon, then absorbs a photon, ending up with an energy of -3.4 eV. What was the wavelength of the emitted photon?
A constant force of 50 N is applied tangentially to the rim of a solid disc with a 60 cm radius. The wheel has a moment of inertia of 40 kgm^2. What is the mass of the disc
question1a diver springs upward from a board that is 2.85 meters above the water. at an instant she contacts the water
A parallel-plate capacitor has an area of 4.37 cm2, and the plates are separated by 1.07 mm with air between them. What is the potential difference across the plates of the capacitor
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