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When the dried up seed pod of a scotch broom plant bursts open, it shoots out a seed with an initial velocity of 2.4 m/s at an angle of 60.0° above the horizontal. (a) If the seed pod is 1.2 m above the ground, how long does it take for the seed to land? (Neglect air resistance.) (b) What horizontal distance does it cover during its flight?
An electron is moving in the +y direction at 4.7 x 105 m/s when it encounters a magnetic field of 2.5 T coming out of the page. What is the magnetic Force (FB) acting on the electron
question traveling at a speed of 17.3 ms the driver of an automobile suddenly locks the wheels by slamming on the
A blow-dryer and a vacuum cleaner each operate with a voltage of 120 V. Determine the ratio of the energy used by the blow-dryer in 17 minutes to the energy used by the vacuum cleaner in 46 minutes
A laser beam with wavelength ? = 6328 Å is incident normal to a single slit of unknown width, Find the width of the slit
In the sketch, the small hydraulic piston has a diameter of 2.3cm. how many newtons of force are exerted by the large piston
Two boxes of mass 4.70 and 2.70 kg are in contact and are accelerated across a horizontal surface by an force of 28.24 N applied parallel to the surface and pushing on the lighter box. Find the acceleration of the two boxes
The string in a yo-yo is wound around an axle of radius 0.531 cm. The yo-yo has both rotational and translational motion, like a rolling object, What is the speed of the yo-yo when it reaches the distance of 1.42 m
A child is sitting on the outer edge of a merry-go-round that is 18 m in diameter. If the merry-go-round makes 8.4 rev/min, what is the velocity of the child in m/s
The drawing shows two boxes resting on frictionless ramps. One box is relatively light and sits on a steep ramp. determine the speed of the lighter box
A lamp hangs vertically from a cord in a descending elevator that decelerates at 1.4 m/s2. If the tension in the cord is 86 N, what is the lamp's mass
You throw a ball with a speed of 25.0 m/s at an angle of 40.0degrees above the horizontal directly toward a wall. How long does the ball take to reach the wall
A muon is created at the top of Mount Kamet (height 7,800 m) and travels at constant speed to sea level, what is the height of Mount Kamet
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