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A small electric immersion heater is utilized to heat 170 g of water for a cup of instant coffee. The heater is labeled "200 watts", which means that it converts electrical energy to thermal energy at this rate. Compute the time required to bring this water from 25°C to 100°C, ignoring any heat losses.
At the intersection of Texas Avenue and University Drive, a yellow, subcompact car with mass 800kgtraveling east on University collides with a maroon pickup truck with mass 1850kg, Calculate the speed of the car before the collision
What is the kinetic energy of these protons in eV afterthey hit the top speed 1,500,000 m/s
An airplane is sent on a rescue mission to help a stranded explorer near the South Pole. The plane cannot land, but instead drops a supply package of mass m = 58 kg while it is flying horizontally with a speed of vp = 116 m/s. What is the mass of ..
You are called as an expert witness in the trial of a traffic violation. The facts are these: A driver slammed on his brakes and came to a stop with constant acceleration, How fast was he going when he hit his brakes
A mass on a spring vibrates in simple harmonic motion at a frequency of 4.0 Hz and an amplitude of 8.0 cm. what is the displacement of the mass when t = 3.7s
For a certain block on a spring, the block's displacementx = X sin() and its velocity v = X cos(), with X = 0.57 m. If the block has a mass of 0.19kg and the spring constant is 55 N/m, calculate the total energywhen = 44°.
Water is flowing through a pipe with a constriction. The diameter of the narrow section is one-third the diameter of the wide section. what is the velocity of the fluid in the wide section
A Carnot air conditioner takes energy from the thermal energy of a room at 294 k and transfers it as heat to the outdoors, which is at 309 k. for eacg joule of electric energy needed to operate the air conditioner, how many joules are removed from..
A house is 30 ft long and 24 ft wide, and has 8 ft high ceilings. What is the volume of the interior of the house in cubic meters and cubic centimetres.
Two particles are moving along the x axis. Particle 1 has a mass m1 and a velocity v1 = +3.7 m/s. Find the ratio m1/m2 of the masses of the particles
A curved plate of mass M is placed on the horizontal, frictionless plane as shown. How high the puck will shoot up from the plate
"Calculate the gravitational potential energy at the surface of the sun. How much would the sun have to shrink each second in order to generate the Luminosity of the sun just by converting gravitational potential energy?" The hint my teacher gave ..
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