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A 1500 kg car is driven onto a pair of ramps so that it fronts wheels have been raised 0.3 m above the rear wheels. The wheel base of the car is 2.4m and it center of gravity is located at the midpoint between the front and rear wheels. How much of the car's weight is supported by the rear wheels?
A stick of mass F is lying on a frictionless surface. A small ball of mass G and velocity v collides with the stick in the center of the stick a right angle to the rod. What is the angular velocity around the axis of rotation after this collision
In frame S, event B occurs 2 microseconds after event A and event A occurs at the origion whereas event B on the x-axis at x=3.3km. How fast must an observer be traveling along the +x axis
Two electrons in an atom are separated by 1.5 × 10^?10 m, the typical size of an atom, What is the force between them
An MSU linebacker of mass 118.0 kg sacks a UM quarterback of mass 87.0 kg. Just after they collide, they are momentarily stuck together, how fast was the linebacker moving just before the collision
What is the net upward force on an airplane wing of area 20.7 m2 if the speed of air flow is 232 m/s across the top of the wing and 215 m/s across the bottom? (The density of air where the airplane flies is ρair = 1.21 kg/m3.)
What mass (in grams) of steam at 100 °C must be mixed with 287g of ice at its melting point, in a thermally insulated container, to produce liquid water at 65°C? The specific heat of water is 4186 J/kg·K. The latent heat of fusion is 333 kJ/kg, an..
NASA has attempted to use the concept of motional EMF to produce energy for satellites in orbit. what is the equivalent resistance of the electrical system of the satellite
The far point of a nearsighted person is 8.5 m from her eyes, and she wears contacts that enable her to see distant objects clearly. How high is the image formed by the contacts
Calculate the kinetic energy that the earth has because of (a) its rotation about its own axis and (b) its motion around the sun. Assume that the earth is a uniform sphere and that its path around the sun is circular. For comparison, the total ene..
A string under a tension of 49.0 N is used to whirl a rock in a horizontal circle of radius 2.40 m at a speed of 20.8 m/s on a frictionless surface, What is the breaking strength, in newtons, of the string
How many 112 W lightbulbs can you use in a 100 V circuit without tripping a 15 A circuit breaker? (The bulbs are connected in parallel, that means that the potential difference across each lightbulb is 100 V.)
Water flowing in a horizontal pipe is at a pressure of 1.55 105 Pa at a point where its cross-sectional area is 6.00 m2. Find the water's speed in the wider pipe
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