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A 1.90-cm-high object is situated 12.8 cm in front of a concave mirror that has a radius of curvature of 10.4 cm. Calculate
(a) the location and
(b) the height of the image.
What was an initial speed of the ball
The front 1.20 m of a 1600 kg car is designed as a "crumple zone " that collapses to absorb the shock of a collision. what is the magnitude of the average force on the car
Every day our Earth receives 1.55×1022 J energy from the Sun. If we were able to use 0.85 percent of this energy to accelerate spaceships, then how various missions will be possible in one year.
A speed skater moving across frictionless ice at 8.4 m/ s hits a 5.2 m -wide patch of rough ice. She slows steadily, after that continues on at 6.3 m/s.
A steel wire strung between two supports is initially horizontal when there is no tension on it. When a 9.5 kg painting is hung on the wire, the wire makes a 25° angle to the horizontal, as shown. Illustrate what is the diameter of the wire?
What is the period of oscillation of the scale? State your reply numerically in seconds.
If I end up with a velocity of 1 m/s going west, am I heaver or lighter than you? What is your mass, and what is your final velocity?
A car rounds a banked curve. The radius of curvature of the road is R .the banking angle is a. the coefficient static friction is f.
The rope makes an angle of 70.0 degrees with respect to the vertical as shown. Illustrate what is the tangential speed of the ball?
White light shines through a diffraction grating and onto a screen, What is the number of lines per (mm) for this grating and What is the number of lines per (cm)
A 42.00kg pole vaulter running at 13 m/s vaults over the bar. Her speed when she is above the bar is 1.3 m/s. Avoid air resistance, in addition to any energy absorbed by the pole, and determine her altitude as she crosses the bar.
A high-voltage transmission line with a resistance of 0.335 ?/km carries a current of 1.45 kA, What fraction of the transmitted power does this loss represent
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