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During a thunderstorm the electric field at a certain point in the earth's atmosphere is 1.11 105 N/C, directed upward. Find the acceleration of a small piece of ice of mass1.08 10-4 g, carrying a charge of 1.05 10-11 C.
A car is traveling 17 m/s when the driver sees a child standing on the road. He takes 0.8 s to react, then steps on the brakes and slows at 7.5 m/s2. How far does the car go before it stops.
When a guitar string is sounded along with a 436 Hz tuning fork, a beat frequency of 5Hz is heard. When the same string is sounded along with a 434 Hz tuning fork, beat frequency is 7.00 Hz. What is the frequency of the string.
find the velocity of their center of mass before the collision.
Identify the magnitude and direction of the electric field at a point midway between a -8.0 uC and a +5.8 uC charge 8.0 cm away. Assume no other charges are nearby.
suppose that the gold ions carry one elementary unit of positive charge.
What is magnitude of the Coulomb force
A space station, in the form of a wheel 184 m in diameter, rotates to provide an "artificial gravity" of 7.40 m/s2 for persons who walk around on the outer rim. Find the rotational frequency of wheel (in revolutions per minute) that will produce t..
A plastic rod is rubbed against a wool shirt there by aquiring the charge of -0.80 mC. how many electrons are transfered from the wool shirt to the plastic rod.
A parachutist descending at the speed of 25 m/s loses a shoe at an altitude of 50 m. (Assume the positive direction is upward.)
Two stationary positive point charges, charge 1 of magnitude 3.55 and charge 2 of magnitude 2.00 , are separated by a distance of 30. An electron is released from rest at the point midway between the two charges, and it moves along the line connec..
NASA sends a satellite to another planet by placing the satellite in a Keplerian orbit (around the sun) such that the perihelion is at the radius of the Earth's orbit (1 AU) and the aphelion is at the radius of the planet's orbit. Most of the trip is..
Compute dissimilarity in blood pressure
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