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A 52g ice cube can slide without friction up and down a 26 degree slope. The ice cube is pressed against a spring at the bottom of the slope, compressing the spring 10cm . The spring constant is 23N/m. When the ice cube is released, what distance will it travel up the slope before reversing direction?
7.9 mol of helium are in a 14 L cylinder. The pressure gauge on the cylinder reads 68 psi. What is the average kinetic energy of a helium atom
A powerful motorcycle can produce an acceleration of 3.00 m/s2 while traveling at 90.0 km/h. What force does the motorcycle exert backward on the ground
1. A modern-day zeppelin holds 8,280 m3 of helium, Compute its maximum payload at sea level
The label on a 12.0-V truck battery states that it is rated at 150.0 A·h (ampere-hours). Treat the battery as ideal. How much electric energy can the battery supply
A circuit containing a 5.9 H inductor has an alternating current supplied to it. If Irms is 6.6 A and Vp is 70 V, find the frequency of the signal. Express the answer with two decimal places
A 10.0 O resistor, 10.0 mH inductor and a 110.0 µF capacitor are connected in series with a 50.0 V (rms) source having variable frequency. Find the energy delivered to the circuit during one period
An automobile with a mass of 940 kg goes around a curve with a radius of 64m.The coefficient of friction between the tires and the road is 0.700. Illustrate what is the maximum speed with which the car can go around the curve ?
What minimum horsepower must a motor have to be capable to drag a 290 box along a level floor at a speed of 1.05 if the coefficient of friction is 0.50.
to combat wasteful habits we often speak of "conserving engery", by which we mean turning off lights, find the difference in energy conservation and conserving energy
Moe, Larry, and Curly stand in a line with a spacing of = 1. Larry is 3.00 in front of a pair of stereo speakers 0.8 apart. The speakers produce a single-frequency tone, vibrating in phase with each other.
A plane electromagnetic wave has a maximum electric field of magnitude 3.8E-6 V/m. Find the maximum magnetic field amplitude
The rod shown in the drawing is pivoted about an axle passing through its center (solid circle). Is the net torque about the axle due to these forces zero
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