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My surfing instructor is about 70kg in mass and the board has about 15kg.If she jumps into the ocean near the pier by huntington beach california and a velocity of 10 m/s forward from the bound to safe someone, how fast the board moves? Assuming out the beginning neither her or the board are moving.
What if the board and she were moving at the same velocity of 5m/s what would be the velocity of the board if she jumps from the board at 10 m/s
An electric vehicle starts from rest and accelerates at a rate of 2.8 m/s2 in a straight line until it reaches a speed of 18 m/s. How far does the vehicle travel from start to stop
Describe what characteristics make convex spherical mirrors applicable for store monitoring and concave spherical mirrors applicable as flashlight reflectors.
A skier starts from rest at the top of a hill that is inclined at 10.2° with the horizontal. The hillside is 150 m long, and the coefficient of friction between snow and skis is 0.0750. At the bottom of the hill, the snow is level and the coefficient..
A particular heat engine has a mechanical power output of4.80kW and an efficiency of26.0%. The engine expels8.90103J of exhaust energy in each cycle. Find the energy taken in during each cycle.
What is the distance between fringes produced by a diffraction grating having 111 lines per centimeter for 575 nm light, if the screen is 1.50 m away
A 419 lines/millimeter transmission diffraction grating is illuminated with light of wavelength 466 nanometers. Compute what would be the new angle in degrees if we illuminate the grating with light of wavelength 423 nm
Two point charges are on the y-axis. A 2.0 µC charge is placed at y =1.35 cm, and a -2.46 µC charge is placed at y =-1.70 cm. Obtain the total electric potential at the origin
A hollow rectangular waveguide is to be used to transmit signals at a carrier frequency of 6 GHz. Choose its dimensions so that the cutoff frequency.
You work for Wham-O! Computer Inc. in its product testing department. Find the laptop velocity right before it hits the floor
what are the ax and by components of the vector that must be added to the following three vectors so that the sum of
You observe that a solid cube of some material floats on the surface of an oil puddle at a service station with 68.5% of its volume submerged
A proton moves through a magnetic field at 20.3% of the speed of light. obtain the magnitude of the magnetic force acting on the proton
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