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An advertisement for a certain portable vacuum cleaner shows off its power with a photograph of the vacuum-cleaner wand suspending a bowling ball by the strength of its suction. The vacuum cleaner can maintain a moderate vacuum inside the apparatus at an absolute pressure of 3.53×104 Pa (against an outside atmospheric pressure of 1.01×105 Pa) when the intake wand is closed. The wand is a hollow metal cylinder with an inside diameter of 3.19 cm. What is the weight of the heaviest ball the vacuum cleaner can lift?
You fire a gun horizontally that is 25m off the ground and the bullet goes at 200m/s. What is the time it takes for the bullet to hit ground, how far down range does bullet travel, and what is the resultant velocity (in m/s) and final angle.
During 5 successive 0.97 min intervals, a runner moves at the following constant speeds: 0.436 km/min, 0.250 km/min, 0.160 km/min, 0.160 km/min, and 0.320 km/min. calculate the total distance traveled and the average speed.
Your car's 28.5 W headlight and 2.50 kW starter are ordinarily connected in parallel in a 12.0 V system. What power would one headlight and the starter consume
You have a string with a mass of 14.1 g. You stretch the string with a force of 8.63 N, giving it a length of 1.93 m. What is the wavelength of the standing wave you create in the string
A major motor company displays a die-cast model of its first automobile, made from 6.60 kg of iron. What mass of gold is needed to make the new model
A small ball rolls horizontally off the edge of a tabletop that is 1.06 m high. how long was the ball in the air
A 13.30 kg crate is pulled by an 181N force (parallel to the incline) up a rough incline. Assume that the incline makes an angle of 31.80° with the horizontal and that the coefficient of kinetic friction is 0.436.
What capacitance must be used in this circuit if the time constant is to be 3.4 ms.
The center-tap to high peak voltage to each side is 22.0 V. Two silicon diodes are used to make a full-wave rectifier. Calculate the output DC voltage and the ripple voltage
Four charged particles are at the corners of a square of side, Determine the total electric force exerted on q
suppose that all the energy goes into the arrow, with what speed does the arrow leave the bow.
A tank of water sits at the edge of a table of height 1.6 meter. The tank springs a very small leak at its base, and water sprays out a distance of 1.1 meters from edge of the table. What is the water level in the tank.
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