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A ball thrown vertically is caught by the thrower after 5.1 s. Find the maximum height the ball reaches.
Transverse waves with a speed of 50.0 m/s are to be produced on a stretched string. calculate the wave speed in the string if the tension is 8.00n.
The springs of a 1400kg car compress 4.0mm when its 61kg driver gets into the driver's seat. If the car goes over a bump, what will be the frequency of vibrations?
plane makes a complete circular turn in 2 min. if the speed of the plane os 200m/s. What is the radius of the circle?
Estimate the mean free path and the collision time for helium in the chamber. Assume the diameter of a helium atom is 1.0 X 10-10 m.
A sample of an unknown material weighs 300N in air and 200 N when submerged in an alcohol solution with a density of .70 x10^3 kg/m^3. What is the density of the material?
What is the distance between the common center of the diffraction patterns and the first occurrence of a dark fringe from one pattern falling on top of a dark fringe from the other pattern?
What is the size of the reflected image of a 5'8" person when he stands in front of a full-length plane mirror?
Calculate the tension T in the rope if the gymnast slides down the rope with a downward acceleration of magnitude 1.50 {rm m/s^2}.
What is the maximum speed with which a 1100 rubber-tired car can take this curve without sliding? (Take the static coefficient of friction of rubber on concrete to be 1.0.)A concrete highway curve
What is the strength of the magnetic field required to exactly balance the weight of the proton and keep it moving horizontally?
The moon orbits the Earth at a distance of about 3.84 x 108 meters in a path that takes 27.3 days to complete. What is the centripetal acceleration of the moon?
Three point charges, -6.3 x 10-9 C, -9.6 x 10-9 C, and +6.8 x 10-9 C, are fixed at different positions on a circle. The total electric potential at the center of the circle is -2100 V. What is the
What additions to the available equations of kinematics for constant acceleration in two-dimensional motion would be necessary to describe three-dimensional motion?
What is the size of the force exerted on a proton on an electric field of 790n/c
If the ball leaves her club with a velocity of 43 meters per second at an angle of 40 degrees to the ground, find the time the ball came down on the green, and speed of the ball just before impact.
Find the relative velocity (magnitude and direction) of the sailboat as observed by the passengers on the ocean liner. Determine the directional angle relative to due north?
The block starts from the point P a distance h = 54.0 m above the bottom of the loop of radius R = 17.0 m. What is the kinetic energy of the mass at the point A on the loop?
You are given two waves, a transverse wave that moves to the right f1(x) and a transverse wave that moves to the left f2(x), on a string. As the problem begins, the wave f1(x) is mov-ing to the rig
The density of gold is 19.3 g/cm^3. If the crown's mass was 6.00 * 10^2g, what volume of water would have been displaced if the crown was indeed made of pure gold?
A 250 gram sample of a metal is warmed from 60 degrees celcius to 85 degrees celcius when 1000 cal are added. What is the specific heat constant of the metal?
If the field is increasing at a rate of 16.0 V/m·s, what are direction and magnitude of the magnetic field at the point P, 15.0 cm from the center of the circle?
How far below the release point is the center of mass of the two stones at t = 550 ms? (Neither stone has yet reached the ground.) How fast is the center of mass of the two-stone system moving at th
A 300 block on a 54 -long string swings in a circle on a horizontal, frictionless table at 65 rpm.What is the speed of the block? What is the tension in the string?