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Q. A 220g air-track glider is attached to a spring. The glider is pushed in 11 cm and released. A student with the stopwatch finds that 8 oscillations take 9 s.
What is the spring constant?
Q. A motorist travelling at 14m/s encounters a deer in the road 47m ahead.
If the maximum acceleration vehicle's brakes are capable of is -6.00 m/s2, what is the maximum reaction time of the motorist that will allow her or him to avoid hitting the deer?
Perform the following unit conversions for parts (A) in the table below (B) through. Show your work using a step-wise approach.
As olenoid with 600 turns has a radius of .04 m and is 40cm long. If this solenoid carries a current of 12 A. what is the magnitude of the magnetic field at the center of solenoid.
A cars brakes can only accelerate the car by -10m/s^2. If the car is going 30m/s when the brakes are applied, how long would it take for the car to come to a stop.
A driver in a car travelling at the speed of 78 km/h sees a cat km away on the road. How long will it take for the car to accelerate uniformly to a stop in exactly 99 m.
Estimate the capacitance of the series combination of capacitors shown.
A sound wave moving through water has a frequency of 256Hz and a wavelength of 5.77m.What is the speed of sound in water.
A small, 300 {rm g} cart is moving at 1.30 {rm m/s} on an air track when it collides with a larger, 3.00 {rm kg} cart at rest. After the collision, the small cart recoils at 0.890 {rm m/s}.
what is work done on package by friction.
A converging lens has a focal length of f = 29 cm. If an object is placed 40 cm from the lens, where will the image be formed.
If you had a single polarizer, how might you determine whether or not light from a room light was polarized when emitted from the bulb.
Evaluate maximum altitude?
A Histogram shows that the mean of rain in the area has increased over the last 5 years. What is the probability that the mean would be higher this year than in the previous 5.
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