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1. Is the image of the object as far from the mirror as the object? why?
2. Are angles of incidence1 and reflection 1 at reflection point b equal to the angles of incdience 2 and reflection 2 at reflection point d? why?
3. Do the measured values of angles of incidence and reflection depend on where the object pin is located?
4. Does the verification of the law of reflection, that is the angle of incidence equals the angle of reflection, depend on where the object pin is located?
5. How many postions are there for viewing an image in a plane mirror? what is the minimum number reuqired to locate an image?
A sled is pulled with a horizontal force of 18 N along a level trail, what is the coefficient of kinetic friction between the sled and the trail
a 69 g ice cube can slide without friction up and down a 35 degree slope. the ice cube is pressed against a spring at
if it is not possible to calculate the masses of the stars, what would be a reasonable assumed mass for the neutron star? how did you deduce this?
What is the electric field strength a point on the axis 5.0 cm from one disk between them.
The force stretching the D string on a certain guitar is 170 N. The string's linear mass density is 0.006 kg/m, What is the speed of the waves on the string
In the figure here, a red car and a green car move toward each other in adjacent lanes and parallel to an x axis. At time t = 0, the red car is at xr = 0 and the green car is at xg = 221 m. If the red car has a constant velocity of 29.0 km/h, the ..
If a pipe wrench of length 18 cm is positioned vertically on pipe, with the handle pointing up, and a force of 150 N, what is the torque on the pipe
A pendulum, consisting of a ball of mass m on a light string of length 1.00 m, is swung back to a 45° angle and released from rest. What is the velocity of the ball immediately after the collision
at a given instatn in time, a traveling EM wave is noted to have its maximum magnetic field pointing west, what are the maximum values for the two fields
A 26 kg gun is standing on a frictionless surface. The gun fires a .0573 kg bullet with a muzzle velocity of 323 m/s. The positive direction is that of the bullet immediately after the gun was fired. compute the momentum of the gun immedately afte..
The two identical pucks with masses of 300.0 g, in the figure rotate together on a frictionless, horizontal table. What is the tension in the second string
A solid disk rotates in the horizontal plane at an angular velocity of 0.049 rad/s with respect to an axis perpendicular to the disk at its center. The moment of inertia of the disk is 0.20 kg.m2. From above, sand is dropped straight down onto thi..
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