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Find the solution of given problem:
Problem: The position of an object as a function of time is given in meters by x = (at + bt2)iˆ+ (ct)ˆj.
Part A: What is its velocity as a function of time?
I need help to determine its velocity as a function of time.
A heavy-duty stapling gun uses a 0.168 kg metal rod that rams against the staple to eject it. find the speed of the ram at the instant of contact
Find the area of a circle of diameter d and circumference C? Use d for the diameter and C for the circumference. Note that your answer should depend on both d and C but not explicitly on the radius
What is the acceleration (magnitude and direction) due to gravity on this planet
When a fish looks up at an angle of 45 degrees with the horizon, does it see the sky or the reflection of the bottom beneath? Explain why.
Consider a bright star in our night sky. Assume its distance from Earth is 45.9 light-years (ly) and its power output is 4.00 multiply.gif 1028 W, Find the power of the starlight the Earth intercepts
The safe slides with a constant speed if Clyde pushes from behind with 405 N of force while Bonnie pulls forward on a rope with 350 N of force. Illustrate what is the safe's coefficient of kinetic friction on the bank floor?
Let's say you light your basement continuously with a 100 W ordinary incandescent light that has an effectiveness of 10 lumens/W. How much energy is added to your basement in a 24 hour period
A 70 kilogram astronaut is space-walking outside the space capsule and is stationary when the tether line breaks. Find at what speed does the astronaut move toward the capsule
A 25 NC charge moves in the -x direction and parallel to the direction of a uniform electric field (200N/C), What is the charge's mass
Many nuclear reactors use heavy water moderators in which elastic collisions occur between neutrons and deuterons of mass 2.0 u. What is the speed of a neutron, expressed as a fraction of its original speed
A lens appears greenish yellow (λ=575 nm) when illuminated with white light. The index of refraction of the lens is 1.52. What is the minimum thickness of the coating (n=1.30) used on the lens to give it this hue?
Use the method of images to find the size of the image charges needed to keep the bulge and conducting plane at zero potential
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