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A 1.20kg brick is sliding along on a rough horizontal surface at 15.0m/s .
Part B. What happens to this energy?( written response)
Part A. If the brick stops in 4.30s , how much mechanical energy is lost? (in J)
A ball of mass 50g tied to the end of a 50cm inextensible string is whirled around in a vertical circle. Find the tension in the string when the ball is at the top of the circle. Take g=10ms2.
The electric field in a region of space has the components Ey = Ez = 0 and Ex = (2.60 N/(C•m))x. What is the potential difference (in V) VB - VA
When you return to your car, you hop in and take off with the coffee cup still on the roof If the coefficient of static friction between the cup and the roof is 0.24 what is the maximum acceleration the car can have without causing the cup to slid..
A prism is made of glass of unknown RI. A parallel beam of light is incident on a face of the prism. The angle of min deviation is measured to be 40 degree. What is the Refractive Index of the prism
Each plate of a parallel-plate capacitor is a square of side 3.63 cm and the plates are separated by 0.443 mm. Find the electric field strength inside the capacitor
A Venturi meter measures fluid speed in a pipe. A constriction (of cross-sectional area A2) is put in a pipe of normal cross-sectional area A1 (A1 = 2A2). Find the ratio of the flow speeds
a certain radioisotope has a half-life of 7.45 days. what percentage of an initial sample of this isotope remains after
a 0.367-nm photon collides with a stationary electron. after the collision the electron moves forward and the photon
On planet Tehar, the free-fall acceleration is the same as that on Earth, however there is also a strong downward electric field that is uniform close to the planet's surface. A 2.00 kg ball having a charge of 5.00 µC is thrown upward at a speed of 2..
A body is thrown vertically upward. when it passes a point H above its starting point, its velocity is 1/3 its initial velocity. How high does it rise above its starting point
Given R1=16 Ohms, R2=71 Ohms, and R3=47 Ohms, calculate the voltage across resistor R1 if the resistor R1 is in a series with a parallel combination of R2 and R3 and the whole circuit is connected to a 12 Volt battery
An object is fired at 30 m/s at an angle of 35 degrees from a vertical cliff that is h meters (where h is an unknown quantity) above the sea. Calculate the velocity vector of the object in polar form when it hits the water
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