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Question: A car starts from rest at a stop sign. It accelerates for 4.0 m/s2 for 6.0 s, coasts for 2.0s, and then slows down at a rate of 3.0m/s2 for the next stop sign.
Part A: How far apart are the stop signs?
Having trouble with this physics question, can you please explain with the answer.
A certain fluid has a density of 1090 kg/m3 and is observed to rise to a height of 2.3 cm in a 1.0-mm-diameter tube. Calculate the surface tension of the fluid
Abullet emerges from the muzzle of a gun with a velocity of 300m/s. The net force on the bullet, while it is in the gun barrel, is given by: F(t): =400N-(1.33*10^5N/S)t and is directed along the length of the barre
A wedding ring is tossed into the air and given a spin, resulting in an angular velocity of 19.3 rotations per second, what is the diameter of the ring
A satellite of mass 180 kilogram is located into Earth orbit at a height of 700 kilometer above the surface. Compute what is the satellite speed
A 47.0g golf ball is driven from the tee with an initial speed of 52.0 m/s and rises to a height of 24.6 m. neglect air resistance and determine the kinetic energy of the ball at its highest point.
Wildlife biologists fire 19g rubber bullets to stop a rhinoceros, charging at 0.83 m/s. The bullets strike the rhino and drop vertically to the ground. What impulse does each bullet deliver
The number of radioactive nuclei present at the start of an experiment is 4.701015. The number present 22 days later is 8.441014. What is the half-life (in days) of the nuclei?
A(n) 331 g object is attached to a spring and executes simple harmonic motion with a period of 0.294 s. The total energy of the system is 1.7J. Find the force constant of the spring. (N/m) Find the amplitude of the motion (in cm)
A 1.3-µF capacitor is connected to a 4.7-V battery. What is the magnitude of the charge on each plate?
A person wearing a seat belt can withstand an acceleration of -3.0 x 10^2 m/s^2. Explain how thick should barriers be to safely stop a car that hits a barrier at 110 km/h?
Paleontologists estimate that if a Tyrannosaurus rex were to trip and fall, it would have experienced a net force of approximately 261,200 N acting on its torso when it hit the ground. Calculate the magnitude of the torso upward acceleration as it ..
Find what must be the resolving power of a grating allowing a spectral line at 601.10 nm to be distinguished from another line differing by 0.38 nm
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