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A 155 g copper bowl contains205 g of water, both at 20.0°C. Avery hot 300 g copper cylinder is dropped into the water, causingthe water to boil, with 5.40 g beingconverted to steam. The final temperature of the system is100°C. Neglect energy transfers with the environment.
a) How much energy (in calories) is transferred to the water as heat?b) How much energy (in calories) is transferred to the bowl?c) What is the original temperature of the cylinder?
During a game of football, the ball is kicked by the punter with a speed of 20m/s at an angle of 40 degrees above the horizontal. A player on the other team, standing 50m away, starts running to catch the ball immediately after it is kicked. ASsu..
water has a mass per mole of 18.0 g/mol, and each water molecule (H20) has 10 electrons. what is the net charge of all these electrons
The vector A s 3.50cm long and is directed into this page, In the right-handed coordinate system, where the +x-axis directed to the right, the +y-axis toward the top of the page
Consider a simple model for the interior of the Earth: there is a spherical iron core with constant mass density ?0 and radius a; outside the core is "rock" with constant density ?1. Use these values for the densities: ?0= 8.70×103 kg/m^3 and ?1= ..
Gasoline's thermal expansion coefficient is 9.5 x 10^-4(degree C^-1). A truck's 110 gallon (416.4 L) gas tank is full on a 14 degree C summer morning. How much gasoline spills from the tank due to thermal expansion
A proton (1e) and an alpha particle charge = 2e, mass = 6.64 x10^-27 kg are initially at rest, separated by 4.00 x 10^-15 m. Find the speeds of the proton and alpha particle
A thin uniform rod has a length of 0.500m and is rotating in a circle on a frictionless table. The axis of rotation is perpendicular to the length of the rod at one end, What is the mass of the bug
Pluto's moon Charon orbits Pluto every 6.4 days with a semimajor axis of 19,700 kilometers. Calculate the combined mass of Pluto and Charon
late one night on a highway a car speeds by you and fades into the distance. under these conditions the pupils of your
Two metal spheres are separated by a distance of 1.1 cm and a power supply maintains a constant potential difference of 830 V between them. what is the distance between the spheres
LASIK eye surgery uses pulses of laser light to shave off tissue from the cornea, reshaping it. what is the intensity of the light wave
A car starts from rest and accelerates at a rate of 2m/s^2 until it reaches the speed fo 30m/s. find number of revolution each wheel completes up to this point
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