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1. Hold a single coffee filter in your hand. Release it and watch it fall to the ground. Next, put two filters together and release them. Did two filters fall faster, slower, or at the same rate as one filter? What kind of mathematical relationship do you predict will exist between the velocity of fall and the number of filters?
2. If there was no air resistance, how would the rate of fall of a coffee filter compare to the rate of fall of a baseball (faster, slower, or the same)?
3. Define A-1terminal velocity.A-1
4. When the filter reaches terminal velocity, what is the net force acting upon it?
5. Sketch a distance-time graph for an accelerating object.
A skateboarder shoots off a ramp with a velocity of 6.4 m/s, directed at an angle of 62° above the horizontal. How high above the ground is the highest point that the skateboarder reaches
a car travels along a straight line at a constant speed of 46.5 mih for a distance d and then another distance d in the
You have a string with a mass of 14.1 g. You stretch the string with a force of 8.63 N, giving it a length of 1.93 m. What is the wavelength of the standing wave you create in the string
A 1.75 kg block slides on a rough, horizontal surface. The blockhits a spring with a speed of 1.86 m/s and compresses it a distanceof 12.1 cm before coming to rest. what is the force constant of the spring
A man in a maze makes three consecutive displacements. His first displacement is 6.40 m westward, Find the magnitude and direction of his third displacement
A 195g oscillator has a speed of 91.50cm/s when its displacement is 3.90cm and 73.0cm/s when its displacement is 6.20 cm
A 0.140 kg baseball is thrown with a velocity of 40 m/s. It is struck with an average force of 5000.0 N, How long were the bat and ball in contact
A helicopter lifts a 70 kg astronaut13 m vertically from the ocean by means ofa cable. The acceleration of the astronaut is g/10.
A thin rod of mass M and a length L rests on a frictionless table. this rod is stuck at a point L/4 from its center of mass by a clay ball of mass m with a speed v perpendicular to the rod. the clay ball sticks to the rod. determine the translatio..
Consider a series LRC circuit with R=201 ?, L=0.34 H and C=1 µF. The current is 10 mA amplitude at 2 kHz. Remember ? = 2pf, where f is the frequency in cycles per second or Hz. Find the voltage amplitude VL on the coil. Express the answer with two..
Two C1 = 3.7 μF, C2 = 18.7 μF are charged individually to V1 = 14.2 V, V2 = 7.0 V. Calculate the final potential difference across the plates of the capacitors once they are connected
Pressure cookers have been around for more than 300 years, although the early ones had a nasty habit of exploding. Determine how much force must the latches holding the lid
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