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If the coefficient of friction between road and tires on a rainy day is 0.100, what is the minimum distance in which the car will stop?
A canoe has a velocity of 0.510 southeast relative to the earth. The canoe is on a river that is flowing at 0.560 east relative to the earth. Find the magnitude of the velocity of the canoe relativ
A freight company uses a compressed spring to shoot 1.70 kg packages up a 1 m high frictionless ramp into a truck. The spring constant is 241 N/m and the spring is compressed 33.0cm. What is the spe
A worker pushes horizontally on a large crate with a force of 299 N, and the crate is moved 5.5 m. How much work was done?
The Honda accelerates, and when it is traveling at 23.0 m/s, the Porsche starts. How far do the cars travel from the starting point before the Porsche catches up with the Honda?
Two simple pendulums have length of 81 cm and 64 cm they are released from the same angular position at the same instant. After how much time will they both arrive at their initial position simulta
A 9.0 V battery is connected to a bulb whose resistance is 2.5 . How many electrons leave the battery per minute?
A cluster of galaxies has a radius of about 5.2 million light-years (4.9×10^22 ) and an intracluster medium with a temperature of (6.5×10^7) K. Estimate the mass of the cluster. Give yo
A 9.80 kg object oscillates at the end of a vertical spring that has a spring constant of 1.75 104 N/m. The effect of air resistance is represented by the damping coefficient b = 3.00 N·s/m.
The craft has velocity components of vx = 3785 m/s and vy = 4096 m/s. Find the magnitude and direction of the initial velocity. Express the direction as an angle with respect to the +x axis.
Two identical perfect gases with the same pressure P and the same number of particles N, but different temperature T1 and T2, are confined in two vessels, of volume V1 and V2, which are then connec
A laser with wavelength d/8 is shining light on a double slit with slit separation 0.300 {rm mm}. This results in an interference pattern on a screen a distance L away from the slits. We wish to shi
If the speed of sound is 330 m/s, how many seconds after the whistle is heard at the crossing will the train cross there?
When one person was talking in a small room, tyhe sound intensity level was dB every where within the room. then, there were 14 people talking in similar manner simultaneously in the room, what was
At the end of the firing period, the craft has velocity components of vx = 3610 m/s and vy = 5138 m/s. Find the magnitude and direction of the initial velocity. Express the direction as an angle wit
A 9 kg block initially at rest is pulled to the right along a horizontal, frictionless surface by a constant, horizontal force of 14.4 N. Find the speed of the block after it has moved 3.6 m.
Identify the action reaction pairs of forces for the following you step off a curb
A speeding motorist traveling 80 mi/h passes a stationary police officer. The officer immediately begins pursuit at a constant acceleration of 7 ft/s sq. how much time in seconds will it toake the
Create a 10- to-12 slide powerpoint presentation on behaviorism and social-learning theory. Include speaker notes and graphics, limit text to fie lines, and use approximately five words per bulleted
A 11.2 kg object oscillates at the end of a vertical spring that has a spring constant of 2.10 104 N/m. The effect of air resistance is represented by the damping coefficient b = 3.00 N·s/m.
Air resistance is negligible. (Assume up and right are positive, and down and left are negative.)Find the distance from the ramp to where the jumper lands.
Two hockey players strike a puck of mass 0.161 kg with their sticks simultaneously, exerting forces of 1.30 103 N, directed west, and 9.00 102 N, directed 30.0° east of north. Find the instantan
A 100 W lightbulb produces 4.0 W of visible light. (a) What is the light intensity on a wall 3.0 m away from the lightbulb?
How fast must a meterstick travel relative to you in the direction parallel to the stick so that its length as measured by you is 70cm.
Find the change in volume (in cubic cm) of an aluminum sphere with an initial radius of 11 cm when the sphere is heated from 0.0°C to 140°C.