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Energy is released during a nuclear reaction due to aconversion between mass and energy. Mass is not conserved. Theinitial and final amounts are different. If a total of 1.8g of mass was missing, how much energy is released?
(J)
A 0.1-kg ball connected to a fixed point by a taut string whirls around a circular path of radius 0.5 m at a speed of 3 m/s. find How many times larger is the former than the latter
A vertical scale on a spring balance reads from 0 to 150 N. The scale has a length of 11.0 cm from the 0 to 150 N reading. A fish hanging from the bottom of the spring oscillates vertically at a frequency of 2.60 Hz. Ignoring the mass of the spring, ..
An electric current I=5.0 amp flows down the y-axis and to the right on the x-axis. What is the magnitude and direction of the magnetic field at a point in the x-y plane with coordinates (a,a) where a=20 cm
The solid fuel of a 300.kg rocket travelling at 1.64x10^4 km/h is ignited to correct the rocket trajectory in mid-flight to Mars. what is the acceleration of the rocket (in m/s^2) at the start of this burn
A copper ball with a radius of 1.70 cm is heated until its diameter has increased by 0.160 mm. Assuming an initial temperature of 22.3°C, calculate the final temperature of the ball
A uniform magnetic field is perpendicular to the plane of a single-turn circular coil. What emf and current are induced in the square coil
At a certain location, the Earth's magnetic field has a magnitude of 5.5.*10^-5 T and points in a direction that is 76 degrees below the horizontal. Find the magnitude of the magnetic flux through the top of a desk at this location that measures 140c..
A car initially traveling at speed 60 mi/h on a horizontal road comes to rest over a distance of 40 meters after the brakes are applied, What is the mass of the car
Orb spiders make silk with a typical diameter of 0.15 .A typical large orb spider has a mass of 0.50. If this spider suspends itself from a single 12-cm-long strand of silk, by how much will the silk stretch
a carnival ride consists of a vertical cylindar, radius 2 m. When it revolves it pins people to its walls, What is the required period of revolution
At one point in space, the electric potential energy of a 10 charge is 34. If a 25 charge were placed at this point, what would its electric potential energy be
A cube of ice is taken from the freezer at -8.9 degrees C and placed in a 93 g aluminum calorimeter filled with 329 g of water at room temperature of 20.0 degrees C. What was the mass of the ice cube
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