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Explain how it's possible to travel 7200 seconds at 30 m/s yet have an average velocity of zero?
An observatory has an 8-inch Celestron telescope. Estimate the diffraction limit of this telescope. Estimate the minimum size a feature on the surface of the Sun must have to be resolved by this telescope.
An asteroid is discovered heading straight toward Earth at 14 km/s.An international team manages to attach a giant rocket engine tothe asteroid. The rocket fires for 10 min, after which the asteroidis moving at 28 degrees to its original path at a sp..
A ship sets out to sail to a point 148km due north. An unexpected storm blows the ship to a point 109km due east of its starting point.
5kg of lead shot at 89.3 degrees are poured into 5kg of water at 22.0 degrees. Discover the final temperature (in degrees C) of the mixture. Use c_water = 4187 J/kg degrees C and c_lead = 128 J/kg degrees C Use units of "C".
If you are given a velocity versus time graph, and v initial is given, how do you calculate instantaneous acceleration
A 5.8kg box is on a frictionless 40%u2218 slope and is connected via a massless string over a massless, What is the tension in the string once the box begins to move
A particle moves along the x axis. It is initially at the position 0.210 m, moving with velocity 0.090 m/s and acceleration -0.340 m/s2. Find its velocity at the end of this time interval
An object of mass 2.2 kg is moving in the negative x direction at a velocity of 2 m/s. find the final velocity after the object has experienced the impulse
Two wires are stretched between two fixed supports and have the same length. On wire A there is a second-harmonic standing wave whose frequecy is 660 Hz. However, the same frequency of 660 Hz is the third harmonic on wire B.
question susans 13.0 kg baby brother paul sits on a mat. susan pulls the mat across the floor using a rope that is
A camera flashtube requires 8J of energy per flash. The flash duration is 2m/ss}. What power does the flashtube use while it's flashing?
If the angle between their initial directions was 110 degree, find what is their speed after the collision
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