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1. By using the instruments from the task 1, you have determined that it takes 3s for a toy car to travel through the distance of 162cm. What are the relative uncertainties of the distance and time measurements? Which measurements is the least uncertain?
2. Calculate the average speed of the toy car. Decide whether you can use the weakest link rule to determine the relative uncertainty in speed estimation. Determine the range of possible values for the actual speed of the car
A very long, straight cylindrical conductor with radius R and length L carries a uniformly distributed net charge Q. What are the bound surface charge densities at r = 2R and at r = 4R
A wedding ring (of diameter 1.7 cm) is tossed into the air and given a spin, resulting in an angular velocity of 12 rotations per second. The rotation axis is a diameter of the ring. Taking the magnitude of the Earth's magnetic field to be 4.3 10-5 T..
A 35.3-m length of copper wire at 20.0°C has a radius of 0.31 mm. If a potential difference of 8.00 V is applied across the length of the wire, determine the current in the wire
A missile is aimed to hit a target 650 km away. If the missile is fired at an angle of 20o by the horizontal, what must be its launch speed so that it will hit the target? Once fired, how long does the missile take to hit the target?
Where does package hit the ground relative to the point
A ball of mass m is suspended from a rope of length R. the ball is set into freely swinging circular motion in a vertical plane. Find the centripetal acceleration of the ball at the bottom of the circle
Two water samples are in well-insulated cups. The mass of onesample is 0.0610 kg and its temperature is 11.0o C. Theother sample has a mass of 0.0360 kg and its temperature is79.0o C.
One liter of helium at STP is heated at constant volume to 100 C. It is then allowed to mix in an insulated container with one liter of methane which is initially at STP, the final volume being two liters.
A solid disk of mass M and radius R is pivoted so that it can rotate about its center. The disk is initially at rest. A ball of mass m and speed v travels along a path tangential to the rim of the disk.
a concrete block with a specific weight of 23.6 knm3 is suspended by a rope in a solution with a specific gravity of
A hollow insulating sphere with an inner radius of 7.80 cm and outer radius of 13.5 cm has a uniform charge density of 91.1 μC/m3 distributed throughout the volume between If we want to use Gauss' Law to find the electric field at r = 19.0 cm, what..
A small piston with area A1 = 45 cm^2 acts in a cylinder to lift a larger piston A2 = 550 cm^2 Find the force on the small piston (F1) if the pressure in the system is 7000 pascals.
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