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when two particles A and B are at point o, A is moving with constant velocity 50m/sec while B is not moving. But B possesses a constant acceleration of 10m/sec. After how much time they will be at
A 3.00-g copper penny at 25.0' C drops 50.0 m to the ground. (a) If 60% of the initial potential energy of the coin earth system goes increasing the internal energy of the coin determine the coin's
An airplane flies 202 km due west from city A to city B and then 320 km in the direction of 35.0° north of west from city B to city C. (a) In straight-line distance, how far is city C from city
Object of radius a holds a total charge +Q distributed uniformly around it. At what position, x = x_{rm{M}}, is the magnitude of the electric field along the axis of the ring a maximum?
Your Question: "A tapered, pressurized tank for a rocket contains 0.250 m3 of kerosene, which has a mass of 205 kg. The pressure at the top of the kerosene is 2.01 x 105 Pa. The pressure force of 1
What force is applied to the driver by his seat belt during that fraction of a second?
The maximum torque on the coil by magnetic forces is 0.16 Nm when the current in the coil is 4.0 mA. What is the magnitude of the magnetic field?
When two tuning forks of 123 Hz and 136 Hz, respectively, are sounded simultaneously, how many beats per second are heard?
How do you find the direction of a difference of two vectors when given the vectors' magnitudes and angles?
A small steel ball bearing with a mass of 30.0 g is on a short compressed spring. When aimed vertically and suddenly released, the spring sends the bearing to a height of 1.33 m. Calculate the hori
A fighter plane flying at constant speed 350 m/s and constant altitude 8500 m makes a turn of curvature radius 1700 m. On the ground, the plane's pilot weighs (63 kg) (9.8 m/s2) = 617.4 N. What is his
A 205 rad dose of radiation is administered to a patient in an effort to combat a cancerous growth. Assuming all of the energy deposited is absorbed by the growth, calculate the amount of energy de
Points A and B have electric potentials of 243 V and 129 V, respectively. When an electron released from rest at point A arrives at point C its kinetic energy is KA. When the electron is released fr
A car is on a circular track of radius r = 120 m. Find the ratio of the tangential acceleration to the centripetal acceleration as the car reaches the marker.
A 78 g bullet traveling at 300m/s penetrates a block of ice at 0 celcius and comes to rest within the ice.Assuming that the temperature of the bullet doesn't change appreciably, how much ice is mel
Rank in order the following according to their speeds, from fastest to slowest: (i) 425-nm-wavelength light through a pane of glass,
Take a line profile perpendicular to the interference fringes and calculate the convolution with a Gaussian of a given line-width. How does the half-width influence the fringe visibility?
A bullet of mass m=.060 kg hits a 5.000 kg block with a initial speed of 225 m/s. Calculate the speed of the block right after the collision.
A 233- projectile, fired with a speed of 101 at a 69.0angle, breaks into three pieces of equal mass at the highest point of its arc (where its velocity is horizontal).
A 685-kg elevator starts from rest and moves upward for 2.70 s. What is the average power of the elevator motor during this period?
What is the speed of light in water? If a light wave in water has a wavelength of 2 meters, what is its frequency?
According to special relativity, the energy and momentum of a particle are
A chain mechanism does +5.27 x 104 J of work to help the car up a long climb. What is the change in the car's kinetic energy KEf - KEo from A to B?
What is the magnitude of the radial acceleration as the pendulum passes through the equilibrium position?
What is the energy of the lowest unfilled electronic molecular state in ground state of butadiene? Include the effect of the bond angles.