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Two blocks are moving along a horizontalfrictionless surface. The 4 kg block is moving to the right with aspeed of 6 m/s and the 2 kg block is moving to the left with aspeed of 3 m/s. The two blocks collide inelasticallyand then continue to move together alongthe surface and then up a 30° frictionless ramp. How high upthe ramp does the combined object move?
when striking the pike a predatory fish can accelerate from rest to a speed of 3.5ms in 0.15s. what is the acceleration
Two capacitors give an equivalent capacitance of 10.00 pF when connected in parallel and an equivalent capacitance of 1.75 pF when connected in series. What is the capacitance of each capacitor
Scientists have found evidence that Mars may once have had an ocean 1.00km deep. What would be the gauge pressure at the bottom of such an ocean
The mass of the moon os 7.3*10^22 kg and its radius is 1.74*10^6m. What is the acceleration due to gravity on the surface of the moon? What is the weight of an astronaut if his mass is 75kg?
a dinoflagellate takes 5.2 s to travel 0.6 mm. approximate a dinoflagellate as a sphere of radius 35.0 microm ignoring
A fan at a rock concert is 30.0 m from the stage, and at this point the sound intensity level is 109dB. Sound is detected when a sound wave causes the tympanic membrane (the eardrum) to vibrate . Typically, the diameter of this membrane is about 8..
a circular roller coaster has radius 30 m. The speed at the bottom is 37.0 m/s. What does it read in kilograms at the top of the ride
A 10 kg weight is put on the weightless piston of the cylinder (20 cm in diameter) filled with oxygen gas (P=101.3kPa, V=1m^3). Calculate the volume of the compressed gas
a 200-O resistor, a 40.0-mH inductor and a 2.00 uF capacitor are connected in series with a 120-V rms source at 1000 Hz. What is the phase angle of this circuit
A 40kg child slides down a frictionless playground slide, starting from rest at a height of 2.2 m. He leaves the bottom of the slide moving horizontally at some velocity(v1). What is the distance the two roll to before stopping
At age 40, a man requires contact lenses (f=65.0 cm) to read abook held 25.0 cm from his eyes. By what distance has his near point changed
A golfer wishes to chip to a hole 50m away on flat levelground. If the fall sails off at 45 degrees, what speed must it have initallly
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