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A small shuttle craft (1970 kg) is hurtling out of control at 283 m/s towards a large asteroid. In order to avoid crashing into it, the shuttle must reduce its velocity to 195 m/s in the next 6.00 seconds (tense!) What stopping force must the engines exert on the shuttle craft to save its crew?
A window has a glass surface are of 1.6x10^3 cm^2 and a thickness of 3.0 mm. Find the rate of energy transfer by conduction through the window when the temperature of the inside surface of the glass is 70F and the outside temperature is 90F.
Decide the specific internal energy of 98 L of neon gas at 400°C and 2 MPa. The neon gas has a total enthalpy of 1200 kJ . Suppose that the neon gas is an ideal gas.
A fighter jet is launched from an aircraft carrier with the aid of its own engines and a steam-powered catapult. What is the work done on the jet by the catapult
Two forces F1 and F2, act at a point. F1 has a magnitude of 9.20N and is directed at an angle of 61.0 degrees above the negative x axis in the second quadrant. What is the magnittude of the resultant force
A thin film of oil (n = 1.24) is located on a smooth, wet pavement. When viewed perpendicular to the pavement, How thick is the oil film
a student standing on level ground finds that an imaginary straight line drawn from his eye to the top of a tree that
What will be distance between the centres of soap bubbles (in cm)?
A 5.8 box is on a frictionless 39 slope and is connected via a massless string over a massless, frictionless pulley to a hanging 1.9 weight. Illustrate what is the tension in the string once the box begins to move?
A potter is shaping a bowl on a potter's wheel rotating at constant angular speed. The friction force between her hands and the clay is 1.5 N total. How large is her torque on the wheel
Unpolarized light with I=120 w/m^2 travels in the x direction and passes through a linearly polarizing film oriented in the z direction, What is the final intensity of the beam passing through all three polarizing films
Initially, a particle is moving at 4.90 m/s at an angle of 35.0o above the horizontal (+x axis). Two seconds later, its velocity is 5.67m/s at an angle of 50.00 below the horizontal. What was the particle's average acceleration during these 2.00 seco..
In a ballistic pendulum demonstration gone bad, a 0.54g pellet, fired horizontally with kinetic energy 3.40J, how much kinetic energy did the pellet have after emerging from the Styrofoam
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