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How much heat in joules is needed to raise the temperature of 9.0 L of water from 0C to 94.0C? (Hint: Recall the original definition of the liter.)------J
Two atomic particles approach each other in a head-on collision. Each particle has a mass of 1.81 x 10-25 kg. The speed of each particle is 2.13 x 108 m/s when measured by an observer standing in the laboratory.
a wire 2.0mm in diameter and 4cmlong is connected to a 12v battery. if the resistivity of the wire is 3.5 x 10-5 ohm-m
A 66-N m torque acts on a wheel with a moment of inertia 175 kg m2. If the wheel starts from rest, explain how long will it take the wheel to make one revolution?
a double- slit interference experiment is performed with two very narrow slits separated by 0.15 mm. what is the distance between two nearby bright fringes on the screen
Two window washers, Bob and Joe, are on a 3.00 m long, 405 N scaffold supported by two cables attached to its ends. Bob weighs 720 N and stands 1.00 m from the left end, as shown in Figure P8.70.
a given star is a sphere with a radius of 5.81x108 m and an average surface temperature of 6970 k. determine the amount
The full diameter of a wheel is 99 , and its rotational inertia is 6.1. What is the minimum mass it could have? How could it have more mass
A spring whose spring constant is 750 N/m is compressed by 15 cm from. 10 kg ball. How high will the ball go in the air
A team of tornado-chasing meteorology graduate students is out in search of tornados. They drive directly toward a tornado warning siren at 25.5 m/s
A student sits on a rotating stool holding two 3.6-kg objects. When his arms are extended horizontally, Find the new angular speed of the student
The pressure on 200 g of nickel is increased from zero pressure to 500 atm. Calculate the work done on the material
A parallel-plate capacitor is made of two flat metalplates pressed against a thin slab of dielectric material. Thecapacitor is connected to a power supply, and a potentialdifference of 90 V is applied to the plates.
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