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Two parallel metal rods form a plane inclined at 20.0° to the horizontal. The upper end of the rods are connected together by a resistor of 188.0 ? The lower end of the rods are held in an electrically insulating block. They are separated horizontally by a distance of 20.0 cm There is a uniform magnetic field of 0.100 T directed vertically upward. A metal bar of mass 0.10 g is sliding down the metal rods. What is the maximum speed of the bar? Assume: no frictional loss and that the rods are very long; g=9.8 m/s2.
A projectile is fired with an initial speed of 37.8m/s at an angle of 44.7 degrees above the horizontal on a long flat firing range. Determine the total time in the air
Two cars of mass 2000 kg and 1000 kg, respectively, collide inelastically. Find the initial speed and direction of the lighter car
What would be the weight of the spherical mass at that location? Round your answer to the nearest tenth decimal place and give your answer in the form "a.bc x 10^(y)" N.
A cyclist starts from rest and pedals so that the wheels make 7.6 revolutions in the first 4.9 s. What is the angular acceleration of the wheels
Gasoline's thermal expansion coefficient is 9.5 x 10^-4(degree C^-1). A truck's 110 gallon (416.4 L) gas tank is full on a 14 degree C summer morning. How much gasoline spills from the tank due to thermal expansion
Nate the Skate was an avid physics student whose main non-physics interest in life was high-speed skateboarding. What were Nate\'s speeds immediately before and after the collision
an open boxcar rolls at a constant speed of 6 ftsec down a 1.5 slope. then grain is poured in vertically downward at a
A household pays $1850 per year for the supplied electricity. find the average power of energy consumption
An astronaut weighs 85 N on the Moon, where the acceleration of gravity is 1.62 m/s2. How much (in N) does she weigh on Earth
A charge of -2.05 nC and a charge of -6.20 nC are separated by a distance of 70.0 cm. Find the position at which a third charge of +7.20 nC can be positioned ( from the -2.05 nC charge) so that net electrostatic force on it is zero.
An electron has an initial velocity of 3.50 106 m/s in the x direction. It enters a uniform electric field = (400 N/C) , which is in the y direction. (a) Find the acceleration of the electron.
A 15.0 kg box is released on a 30 degree incline and accelerates down the incline at 0.30 m/s squared. Find the frictional force impeding its motion
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