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A 1.80kg block slides on a rough horizontal surface. The block hits a spring with a speed of 2.50m/s and compresses it a distance of 10.5cm before coming to rest.
If the coefficient of kinetic friction between the block and the surface is 0.460, what is the force constant of the spring?
Tritium with a half-life of 12.3 years is used to verify the age of expensive brandies. how many years ago was it produced
in what direction must storm now sail to reach. The car is uniformly accelerated during the entire time. What net force is exerted on it.
A toy car moves at a velocity of 65.00 m/s on a compass heading of 115degrees. What are the components, magnitude and direction of car.
illustrate what is the magnitude of the acceleration of the box and hanging mass.
A hot-air balloon is rising upward with a constant speed of 3.88 m/s. When the balloon is 7.87 m above the ground, How much time elapses before the compass hits the ground
A solenoid is wound with a single layer of insulated copper wire (of diameter 2.6 mm), What is the inductance per meter for the solenoid near its center
A thin 7.3-m metal rod sustanins a longitudinal standing wave with vibration antinodes at each end of the rod. What is the frequency of the rod's vibration
A small immersion heater is rated at 329 W. Compute approximately how long it would take to heat a cup of soup (suppose this is 250 mL of water) from 20°C to 50°C.
A container of volume 0.30 m3 contains 3 mol of argon gas at 31°C. suppose argon behaves as an ideal gas, find the total internal energy of the gas.
Consider a string with length 36 cm. The two ends are attached to the ceiling, separated by distance 30.0 cm. Determine the tension in the right segment of the string
Two 7.0mm×7.0mm electrodes with a 0.10-mm-thicksheet of Mylar between them are attached to a 7.0Vbattery, What is the electric field before and after the Mylar is withdrawn
A mica sheet 0.969 ?m thick is suspended in air. In reflected light, there are gaps in the visible spectrum at 460, 525, Calculate the index of refraction of the mica sheet
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