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Problem: A car rounds a level curve of radius 100 m at a constant speed of 30 m/s.
Part A: What is the magnitude of the acceleration of the car?
I need expert help to determine the magnitude of the acceleration of the car.
In a location where the speed of sound is 330 m/s, a 2000 Hz sound wave impinges on two slits 30cm apart. At what angle is the first maximum located
Some good estimates about the human body can be made if it isassumed that we are made mostly of water. The mass of a water molecule is 2.99*10-26 kg. If the mass of a personis 51 kg, estimate the number of water molecules in that person.
a particle of mass m0 is given a kinetic energy equal to one-fourth its rest-mass energy. how fast must the particle be
An electron that has a velocity with x component 1.9 x106 m/s and y component 4.2 x 106m/s moves through a uniform magnetic field with xcomponent 0.025 T and y component -0.17 T.(a) Find the magnitude of the magnetic force on the electron. (b) Repeat..
An object is recovered from under the sea. Its weight is measured to be 71.5 lb and its volume 2.5 ft3. What is the object%u2019s weight density
A softball player swings a bat, accelerating it from rest to 5.0 rev/s in a time of 0.25 seconds. compute the torque the player applies to one end of it
Suppose the 6.0-V battery is replaced by a battery of unknown emf, and an ammeter measures I1 = 1.2 A. Find the other two currents and the emf of the battery
Every day our Earth receives 1.55×1022 J energy from the Sun. If we were able to use 0.85 percent of this energy to accelerate spaceships, then how various missions will be possible in one year.
A 3.00 gram lead bullet is moving at 180. m/s andenters a bag of sand and stops. By what amount does the temperature of the bullet change if all its kinetic energy becomes thermal energy.
A village maintains a large tank with an open top, containing water for emergencies. The water can drain from the tank through a hose of diameter 6.60 cm. The hose ends with a nozzle of diameter 2.20 cm.
A marine radar operates at a wavelength of 3.2cm and a powerof 7.0kW per pulse. what is the frequency of the radar waves
A cylindrical chamber, open at the bottom, is to be submerged in the ocean and used as a diving chamber, What will be the height h of the air in the cylinder
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