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A sample of lead has a mass of 24.00 kg and a density of 1.130 104 kg/m3 at 0°C. (Suppose the average linear expansion coefficient for lead is 2.900 10-5(°C1).)
1) What is the mass of the sample of lead at 80.00°C?
2) What is the density of lead at 80.00°C? (Give your answer to four important figures.)
An ambulance with a siren emitting a whine at 1,190 Hz overtakes and passes a cyclist pedaling a bike at 2.1 m/s. How fast is the ambulance moving
A FLYWHEEL WITH A MOMENT OF INERTIA 6.00 * 10^6 kg*m^2 is spinning with an angular speed of 120 rev/s about a vertical axis while it sits at the north pole. What will be the change in length of a day on earth
The power brick for the author's laptop computer has a power rating of 60 W. It uses a step-down transformer to convert the AC voltage from a wall socket (Vrms = 120 V) to a value near 12 V.
spectroscopy is an important part of physics chemistry geology astronomy and many other sciences. explain what physical
A charge of 6.53mC is placed at each corner of a square .470 m on a side. Determine the magnitude of the force on each charge. Determine the direction of the force on each charge.
Your spaceship lands on a planet that has a gravitational force whose magnitude is 1/5th of Earth's gravitational force. If you weigh 800 N on Earth
A fire truck attaches two fire hoses to a hydrant to fight a fire. Each hose has a diameter of 20 cm. What is the speed of the water in the fire hoses
take east as the positive direction. an 80 kg fisherman jumps from a dock into a 129 kg rowboat at rest on the west side of the dock. what is the final velocity of the fisherman and the boat
A 1200 crate slides 15 down a ramp that makes an angle of 30 with the horizontal.If the crate slides at a constant speed, how much thermal energy is created?
Water at 33.0 °C is sprayed onto 0.156 kg of molten gold at 1063 °C (its melting point). The water boils away, forming steam at 100.0 °C and leaving solid gold at 1063 °C. What is the minimum mass of water that must be used?
Review Conceptual Example 2 as an aid in solving this problem. An object is attached to the lower end of a 100-coil spring that is hanging fromthe ceiling. The spring stretches by 0.172 m. The spring is then cut into two identical springs of 50 co..
q1. what is the width of a slit for which the distance between two first order minima is 1 cm? the slit is illuminated
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