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Q1. An artillery shell is fired with an initial velocity of 303 m/s at 46° above the horizontal. To clear an avalanche, it explodes on the mountainside 47.5 s after firing. What is the x and y components of the shell where it explodes, comparative to its firing point?
Q2. A kayaker needs to paddle north across an 85 m wide harbor. The tide is going out, creating a tidal current that flows to the east at 1.7 m/s. The kayaker can paddle with the speed of 3.0 m/s.
Show that the boundary conditions far away from the cylinder
How long does it take for amplitude to drop to half its initial value . How long does it take for mechanical energy to drop to half its initial value.
The parallel metal plate of a capacitor is detached by a distance of 0.5cm and is connected to a 90v battery. Find the electric field between them and surface charge density on the plate.
Find out the speed of a 56.7 kg thrill seeker at the bottom of the slide, assume no friction. If the thrill seeker has a speed of 24.1 m/s at the bottom, find out the change in mechanical energy due to friction.
What is rms speed of the atoms at temperature
A ranger in a national park is driving at 52 km/h when a deer jumps onto the road 86 m ahead of the vehicle. After a reaction time of t s, the ranger applies the brakes to produce an acceleration of -2.9 m/s2.
What is the magnitude of the runner's total displacement . What is the phase difference between the two waves next they reach the observer.
Outline what you know about Plasmonics? Outline what you know about Raman spectroscopy and surface enhanced Raman spectroscopy?
When these two wires are connected in equivalent to the same battery, describe the reasoning of the steps that allow you to find out which of these wires will consume the greater amount of power by warming up and dissipating this energy as heat.
What was the average acceleration throughout the trip
What is pressure in the cylinder
A ball of mass 1.020 g and positive charge q =45.2 microC is suspended on a string of negligible mass in a uniform electric field. We view that the ball hangs at an angle of theta=15.0 from the vertical. What is the magnitude of the electric field.
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