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A rocket launched outward from Earth has a speed of 0.100 c relative to Earth. The rocket is directed toward an incoming meteor that may hit the planet.
Part A If the meteor moves with a speed of 0.280 c relative to the rocket and directly toward it, what is the velocity of the meteor as observed from Earth?
u=____________c (toward earth)
A nanowire is a (nearly) one-dimensional structure with a diameter on the order of a few nanometers.
Sheena can row a boat at 2.95 mi/h in still water. She needs to cross a river that is 1.17 mi wide with a current flowing at 1.79 mi/h. Not having her calculator ready, she guesses that to go straight across, she should head 60.0° upstream.
During the same interval, a 34 kg greyhound can accelerate from rest to 23 m/s. Calculate (a) the change in kinetic energy and (b) the average power output for each.
An x-ray beam with wavelength 0.210nm is directed at a crystal. As the angle of incidence increases, find the spacing d between the planes of the crystal
A current of 7.37 A in a solenoid of length 14.8 cm creates a 0.369-T magnetic field at the center of the solenoid. How many turns does this solenoid contain
A loaded railroad car of mass 6000 kg is rolling to the right at 2.0 m/s when it collides and couples with an empty freight car of mass 3000 kg, What is the velocity of the pair after the collision
You have a compound microscope with a barrel of length 157 mm. Find the total angular magnification of the microscope for a person whose near point is 25.0 cm away
What is the minimum uncertainly in the speed of an electron that is known to be somewhere between 0.065 nm and 0.30 nm from a proton.
A 2.00 µC charge is experienced by 0.438 N force in an electric field. What is the magnitude of the electric field?
When a patient is being fitted with contact lenses, the curvature of the patient's cornea is measured with an instrument known as a keratometer. what is the radius of curvature of the patient's cornea
convert 25mus into ams bmihthe kinetic energy of a car of mass m moving with velocity vis emv22. if m1000kg and v6ms
An electron is at the origin. (a) Calculate the electric potential VA at point A, x = 0.310 cm. V (b) Calculate the electric potential VB at point B, x = 0.770 cm. V What is the potential difference VB - VA
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