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A young woman named Kathy Kool buys a sports car that can accelerate at the rate of 4.90 m/s2. She decides to test the car by dragging with another speedster, Stan Speedy. Both start from rest, but experienced Stan leaves the starting line 1.14 s before Kathy. If Stan moves with a constant acceleration of 3.22 m/s2 and Kathy maintains an acceleration of 4.90 m/s2, find the time it takes Kathy to overtake Stan.
You have a battery marked 6.00 V.When you draw a current of 0.245 A from it, the potential difference between its terminals is 5.13 V
A 7.45-g bullet is moving horizontally with a velocity of +347 m/s, where the sign + indicates that it is moving to the right. What is the velocity of the second block after the bullet imbeds itself
Attempting to stop on a slippery road, a car moving at 80 skids across road at a 30 angle to its initial motion, coming to a stop in 3.8.
A pipe open at one end and closed at the other has a fundamental frequency of 308 Hz at 3.70 degrees
Select True or False for the following statements about conductors in electrostatic equilibrium. The electric field inside the conducting material is always zero.
Light from an argon laser strikes a diffraction grating that has 6600 grooves per centimeter. The central and first-order principal maxima are separated by 0.320 m on a wall 1.00 m from the grating. Determine the wavelength of the laser light.
A flywheel turns through 34 revas it slows from an angular speed of 1.7 rad/s to a stop. What is its angular acceleration
1 a hydrogen atom undergoes a transition from the n 12 state to the n 5 state. explain why it emits a photon during
A 2.20 kg object is suspended from a spring with k = 18.00 N/m. The mass is pulled 0.35 m downward from its equilibrium position and allowed to oscillate. What is the highest kinetic energy of object.
A uniform electric field of magnitude 380 N/C pointing in the positive x-direction acts on an electron, which is initially at rest. What is the velocity of the electron and direction
You need to use your cell phone, which broadcasts an 828 MHz signal, but you're in an alley between two massive, What is the angular width, in degrees, of the electromagnetic wave
A 217-kg log is pulled up a ramp by means of a rope that isparallel to the surface of the ramp. The ramp is inclined at30.0° with respect to the horizontal. The coefficient ofkinetic friction between the log and the ramp is 0.860, and the loghas a..
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