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What is the distance between these particles at this time? The Coulomb constant is 8.98755 × 109 N · m2/C2, the elemental charge is 1.6021 × 10-19 C, and the accel- eration due to
The third-order bright fringe is seen at an angle of 22.9 degrees from the center of the interference pattern. What is the separation between the centers of the double slits?
An astronaut exploring a distant solar system lands on an unnamed planet with a radius of 3700. When the astronaut jumps upward with an initial speed of 3.20, she rises to a height of 0.600.
Check this speed with the result you get from simple conservation of energy considerations. Consider the Earth's mass density to be uniform throughout. [Hint: recall Gauss' Law as it applies to the
The interference pattern has its first dark fringe (the one adjacent to the central maximum) at the same angle. What is the distance between the centers of the two slits?
A child's helium-filled balloon escapes at sea level and 21oC. When it reaches an altitude of 3000 m, where the temperature is 3oC and the pressure only 0.6 atm, what is the ratio of the initial volum
What are the block's oscillation frequency? What is the block's distance from equilibrium when the speed is 36 cm/s? What is the block's position at t=1.0 s?
Two 2.0-cm-diameter insulating spheres have a 7.00 cm space between them. One sphere is charged to + 13.0 nC, the other to - 20.0 nC. What is the electric field strength at the midpoint between the
Three moles of a monoatomic ideal gas are placed in a portable container with a volume of 0.0038 m3. The temperature of the gas is 290°C. What is the average kinetic energy per molecule? in J
If 6.00 moles of a monatomic ideal gas at a temperature of 360 K are expanded isothermally from a volume of 1.25 L to a volume of 5.61 L, calculate the heat flow into or out of the gas? in J
Evaluate at = 3.2 . What is the average angular velocity between = 2.0 and =3.2 ? What is the average angular acceleration between = 2.0 and =3.2?
You're in an airplane that flies horizontally with speed 1000lkm/h (280 m/s) when an engine falls off. Neglecting air resistance, assume it takes 30 s for the engine to hit the ground.
The top of Mt. Everest is 8850 m above sea level. Assume that sea level is at the average Earth radius of 6.38×106 m. What is the magnitude of the gravitational acceleration at the top of Mt.
It then smoothly slows down and stops after rotating through 3/4 of a turn. Find the frictional torque that acts to stop the wheel.
Car accelerated as as stop light changes. the cars linear motion is 0-10 m/s in 10 s annd the diameter of a tire is .85 m what is the final angular velocity of the tire on the car? what is the angu
A proton orbits a long charged wire, making 1.50 times 10^{6} revolutions per second. The radius of the orbit is 1.60 cm. What is the wire's linear charge density?
Positive charge Q is uniformly distributed around a semicircle of radius R. Find the magnitude and direction of the electric field at a point P, the center of curvature of the semicircle.
A 5.00 104-kg space probe is traveling at a speed of 14000 m/s through deep space. Retrorockets are fired along the line of motion to reduce the probe's speed. The retrorockets generate a force of
You drop a rock off a cliff and note that it hits thr ground below in 6 s. How high is the cliff, assuming that the air is so thin that air resistance can be ignored during the entire fall? Unless t
The solid part of the disk has a uniform charge density, (sigma symbol), on its surface. Derive an expression for the total electric charge on the solid part of the disk.
A winter hiker's body generates heat at a rate up to a maximum value of 126 W. She is hiking on a brisk day in which the outdoor temperature is 9°C, while wearing a jacket with goose down insula
A rock stuck in the tread of a 50.0--diameter bicycle wheel has a tangential speed of 3.00 . When the brakes are applied, the rock's tangential deceleration is 1.20 .
A clean copper surface is exposed to light of wavelength 275 nm. What is the maximum speed of the photoelectrons emitted from this surface? Use the table below copper=4.7eV
At the block is 31cm below the equilibrium point and moving upward with a speed of 98.0cm/s . What is the block's positon at t = 9s.
A cannonball shot with an initial velocity of 139 m/s at an angle of 39° follows a parabolic path and hits a balloon at the top of its trajectory. Neglecting air resistance, how fast is the can