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A student plots a heating curve for water.
The student places an electrical heater in a beaker of water at room temperature.
The student measures the temperature of water every minute for thirty minutes.
(A)the student suggests using the second hand of a wall clock ti measure the time. Another student suggests using a stopwatch reading to 0.01s. Suggest and explain which timer is the more suitable to use
A canon is firing a projectile. Select an angle for a launch. Choose an angle between 15 and 75 degrees. Initial speed is 22 m/s. Mass is 7.3 gram. Determine the range of the projectile
A 3.1 kg block of copper at a temperature of 72 C is dropped into a bucket containing a mixture of ice and water whose total mass is 1.2 kg. How much ice was in the bucket
A 16000kg airplane lands with a speed of 92m/son a stationary aircraft carrier deck that is 115 mlong. Find the work done by nonconservative forces in stopping the plane
A modern sculpture has a large horizontal spring, with a spring constant of 274 N/m, By how much has the spring stretched
question light shines through a single slit whose width is 7.40 10-4 m. a diffraction pattern is formed on a flat
Consider a thin spherical shell of radius 14.5cm with a total charge of 2.5uC distributed uniformly on its surface. Discover the electric field, in N/C, at a radius of 10.7cm from the center of the charge distribution. Discover the electric field, in..
You decide to move your desk so your back is not facing the door. As you begin to move your desk, What is the coefficient of friction between the desk and the floor
A two-slit pattern is viewed on a screen 1.28 m from the slits. If the two third-order maxima are 39.6 cm apart, what is the total width of the central bright fringe
A 60 kilogram water skier is being pulled by a nylon (Young's modulus 3.7 x 109 N/m2) tow rope that is attached to a boat. Find the change in length of the rope when the skier has an acceleration whose magnitude is 0.72 m/s2
two blocks of mass m1 and m2 approach each other on a horizontal table with the same constant speed, Vo, as measured by a laboratory observer. Determine the ratio of the two masses m1/m2
One side of the roof of a building slopes up at 37.0°. A roofer kicks a round, flat rock that has been thrown onto the roof by a neighborhood child.
Calculate the dc voltage applied to the circuit.
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