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You now know that there is an opposite and equal reaction based on Newton's third Law and perhaps you are worried about the force of that rock hitting your spaceship (Newton's 1st Law)! Find does Newton second law play a role here?
It is doubtful that you will ever be in a spaceship. So, explain how could you apply these 3 laws in your life on Earth today? Give an example.
An electron moves with a velocity of (4*10^6 m/s, 90degrees) through a magnetic field of (0.50 T, 220degrees). What is the magnetic force acting on it?
An object in simple harmonic motion has an amplitude of 0.377 m and an oscillation period of 0.620 s. Determine the maximum speed of the motion
what is the energy dissipated in the resistor for a battery with an emf of 12 volts connected to a 545-ohms resistor
A box of mass 67.5 kg is sitting on a horizontal table top with a coefficient of kinetic friction between the box and the surface of 0.61. Find the magnitude of the acceleration of the box on the table
In the neck of the picture tube of a certain black-and-white television set, an electron gun contains two charged metal licplates 2.80 cm apart. An electric force accelerates each electron in the beam from rest to 9.60% of the speed of light over thi..
An isotope of krypton has a half-life of 3 minutes. A sample of this isotope produces 1000 counts per minute in a Geiger counter. Determine the number of counts per minute produced after 15 minutes.
A diver springs upward from a boardthat is three meters above the water. Determine her initial velocity, both magnitude and direction
Select one of the following regions of the electromagnetic spectrum: radio wave, infrared, ultraviolet, X-ray, Gamma rays. What type of objects emit at your selected region
starting from rest an electric drill rotates with constant angular acceleration. after the drill has rotated through a
An object is solid throughout. When the object is completely submerged in ethyl alcohol, its apparent weight is 15.8 N. When completely submerged in water, its apparent weight is 13.8 N. What is the volume of the object?
A 10 kg uniform ladder , 8.0 m long is placed against a smooth wallat a height of 3.1 m . What is the force exerted on the wall by the ladder
toad make use of resonance in a closed tube to produce very loud sound the tube is its swin bladder used as an amplifier the sound level of the creature has been measured as 71dB calculate the intensity of the sound
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