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Julie throws a ball to her friend Sarah. The ball leaves Julie's hand a distance 1.5 meters above the ground with an initial speed of 17 m/s at an angle 35 degrees; with respect to the horizontal. Sarah catches the ball 1.5 meters above the ground.
What is the maximum height the ball goes above the ground?
Let the building is 50 m tall, the initial horizontal velocity is 9.0 m/s, and the initial vertical velocity is 12.0 m/s. select your coordinates such that the positive y-axis is upward, and the x-axis is to the right, and the origin is at the poi..
The concrete encloses one steel reinforcing rod with cross-sectional area 1.00cm2. The rod joins two strong end plates. The cross-sectional area of the concrete perpendicular to the rod is 47.5 cm2. Young's modulus for the concrete is 3.00 x 10^10 N/..
A diffraction grating with 750 slits/mm is illuminated by light that gives a first order diffraction angle of 34 degrees. What is the wavelength of the light
A movie camera with a (single) lens of focal length 70 mm takes a picture of a person standing 29 m away. what is the height of the image in millimeters on the film
The mean distance among earth and the sun is 1.50 multiplied by 10 11 m. The average intensity of solar radiation incident on the upper atmosphere of the earth is 1390 W / m 2 . Assuming the sun emits radiation consistently in all directions, what i..
A 3700 ? (ohm) resistor and a 1.2-µF capacitor are connected in series across a generator, Determine the average power delivered to the circuit
A photon scatters off an electron at an angle of 180° with respect to its initial motion. What is the change in the photon's wavelength
The near point of a naked eye is 21 cm. When placed at the near point and viewed by the naked eye, a tiny object would have an angular size of6.0 × 10-5 rad. Find the focal length of the eyepiece
a small map shows new york to be 486 miles in a direction 8deg north of east from columbus. the same map shows that
A plate carries a charge of -3.8 µC, while a rod carries a charge of 3.3 µC. How many electrons must be transferred from the plate to the rod, therefore that both objects have the same charge?
a 1280-kg car pulls a 350-kg trailer. the car exerts a horizontal force of 3600 n against the ground in order to
A circular wire loop of radius 14.9 cm carries a current of 3.04 A. It is placed so that the normal to its plane makes an angle of 50.9° with a uniform magnetic field of magnitude 15.0 T. What is the magnitude of the torque acting on the loop?
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