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Let your mass be 60 kg Determine your weight (e.g., the force of gravity on you).
Determine what normal force would be required to accelerate you upwards from ground level at a rate of 3.0 m/s2.
What would the normal force be if the acceleration described in 3) was directed downwards?
2) Two blocks (5.0 kg and 6.0 kg) are connected through a frictionless system. The angle of the ramp is 45o.
Determine the acceleration of the system.
Find the tension in the string. (The hanging object is the 6.0 kg while the 5.0 kg is on the inclined plane.
A stable and highly soluble pollutant is dumped into a lake at the rate of 0.19 tonnes per day. The lake volume is 2E7 m3 and the average water flow-through rate is 8E4 m3 per day
A ball rolls off a table and falls 0.73 m to the floor, landing with a speed of5.2 m/s. What is the magnitude of the acceleration of the ball just before it strikes the ground? What was the initial speed of the ball?
Light has a wavelength of 299.3 nm and a frequency of 7.403 × 1014 Hz when traveling through a certain substance. What is the refraction index of this medium
A very long uniform line of charge has charge per unit length 4.80 microC/m and is parallel to the x-axis at y = 0.400m. What is the net electric field (magnitude and direction) at the following points on the y-axis: y=0.200m and y=0.600m
A 5 Mev photon collides with an electron that is at rest, and imparts to it the maximum possible kinetic energy. What is the final momentum of the electron
A person is watching water waves at the ocean and they notice the peak to peak distance between the waves is 3.4 m. How fast are the waves going
A 0.360 kg croquet ball makes an elastic head-on collision with a second ball initially at rest. The second ball moves off with half the original speed of the first ball.
Energy Budget and Habitability
An archer's bow can be treated as a spring with k = 2810 N/m. If the bow is pulled back a distance 0.13 m before releasing the arrow, What is the kinetic energy of the arrow when it leaves the bow
An electron at Earth's surface experiences a gravitational force meg. How far away can a proton be and still produce the same force on the electron?
An object is 9cm in front of a diverging lens with a focal length of -6cm. Determine the location of the image
A dipole consists of two charges of opposite sign, and each charge has a magnitude of 2.20E-18 C. What is the magnitude of the torque
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