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The wavelength of an electromagnetic wave is measured to be 2.50 x 10-7 m.
(a) What is the frequency of the wave?
A 103.29 cm-long steel string with a linear density of 2.56 g/m is under 240.31 N tension. What is the wavelength of the sound wave that reaches your ear in a 11.65oC room
An electric scooter has a battery capable of supplying 140 Wh of energy. If friction forces and other losses account for 60 percent of the energy usage, what altitude change can a rider achieve while driving in hilly terrain, if the rider and scooter..
A cart of mass 1.8kg rolls without friction on a track. At point A the cart is moving at 6.0m/s. What work was done by friction
A 5.0 kg bundle starts up a 30° incline with 128 J of kinetic energy. How far will it slide up the plane if the coefficient of friction is 0.40
we wish to determine the index of refraction n of a medium by measuring how much light bends when it travels from one
A 11.1-kg cylinder rolls without slipping on a rough surface. At an instant when its center of gravity has a speed of 10.3 m/s, determine the following. (a) the translational kinetic energy of its center of gravity ____J (b) the rotational kinetic en..
What is the velocity of a beam of electrons that go undeflected when passing through perpendicular electric, What is the radius of the electron orbit if the electric field is turned off
Two batteries (V1 = 15V and V2 = 12V) are in a circuit with three identical resistors (R1 = R2 = R3 = 5.1?). What is the current in the R3 resistor? Note that all resistor values are equal , which greatly simplifies your loop equations.
If the magnitude of the electric field at the surface of an is olated solid spherical conducting ball is 0.1 V/m and the electric potential is 899 Volts, what is the capacitance C of the ball?
A boat moves slowly inside a marina with a constant speed of 1.50 m/s. How fast is the boat moving after accelerating for 5.00s
As soon as a traffic light turns green, a car speeds up from restto 49.0 mi/h with constantacceleration 7.00 mi/h-s. In theadjoining bike lane, For what time interval is the bicycle ahead of the car
q1. a tennis ball is served at 73.12 ms and was in contact with the racquet for .027 s and starts from rest. the ball
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