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A projectile is launched from ground level at 90 m/s at an angle of 48.0 degrees above the horizontal, and it is subject only to gravity (in free fall, air resistance ignored).
a) What is the time the rocket reaches the peak height of its trajectory.
b) The horizontal range of the rocket from the launch point.
c) The max height above the ground the rocket reaches.
d) Horizontal and vertical speeds of the rocket from the top trajectory.
a 75 g frisbee is thrown from a point 0.9 m above the ground with a speed of 12 ms. when it has reached a height of 1.9
Find the focal length of a glass lens that has an index of refraction equal to 1.58, a concave surface that has a radius of curvature of magnitude 104 cm, and a convex surface
An object, 0.75 cm tall, is placed 12.0 cm to the left of adiverging lens (f = -.8.00cm). A converging lens is placed 8.00 cmto the right of the diverging lens. The final image is virtual andis 29.0 cm to the left of the fiverging lens.
A supersonic jet passes directly overhead at an altitude of 13,265 m, traveling at 680 m/s, or mach 2. How much time elapses before you hear the sonic boom
A 0.157kg ball is thrown straight up from 1.94m above the ground. Its initial vertical speed is 9.60 m/s. A short time later, it hits the ground. What is the total work done by the force of gravity during that time.
A wheel initially has an angular velocity of 18 rad/s. It has a constant angular acceleration of 2.0 rad/s2 and is slowing at first. What time elapses before its angular velocity is18 rad/s in the direction opposite to its initial angular velocity
Consider the light beam shown in the figure, where d = 173 cm and ? = 13.5°. How many times does the light beam reflect from the top mirror
In what ways is the transducer in medical ultrasound a 'speaker' & 'microphone?', What is the broadest definition of a 'transducer?'
An atom in a solid vibrates at 16THz with amplitude 13pm. Find the atom's maximum acceleration. Then, if it's a carbon atom, what's its energy
The International Space Station is orbiting at an altitude of about 370 km above the earth's surface. what is the period of the International Space Station's orbit
Consider a spherical Gaussian surface which surrounds two electric charges (+Q), What is the net electric flux through the Gaussian surface
A 775-g object undergoes an acceleration given by = (2.00 ? + 5.00 ?) m/s , find the resultant force acting on the object
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