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In a Certain Organic molecule, the nuclei of two carbon atoms are separated by a distance of 0.25 nm. What is the magnitude of the electric force between them? Please show all work ;)
A 2110-kg test rocket is launched vertically from the launch pad. Its fuel (of negligible mass) provides a thrust force so that its vertical velocity as a function of time is given by v(t)=At+Bt^2, What was the initial thrust due to the fuel
A mortar crew is positioned near the top of a steep hill. Enemy forces are charging up the hill and it is necessary for the crew to spring into action. How long will the mortar shell remain in the air
A meterstick lies along the optical axis of a convex mirror of focal length -48 cm, with its nearest end 63 cm from the mirror. How long is the image of the meterstick
A wheelchair athlete is training on a stationary ergometer. Her wheel's angular velocity is 3 rev/s and diameter is 80.0 cm. What is the linear velocity at the wheel's center
A barbell spins around a pivot at its center at A. The barbell consists of two small balls, each with mass 450 grams (0.45 kg), Calculate the moment of inertia I of the barbell
a brick weighing 30 N fall from a height of 15 m and sinks .7 m into the ground. What is the average force on the rock due to the ground as it sinks into the ground
A wire with mass 55.0g is stretched so that its ends are tied down at points 96.0cm apart. What is the speed of propagation of transverse waves in the wire
An assistant standing on the level ground 150 m downrange from the launch point throws an apple straight up with the minimum initial speed necessary to meet the path of the arrow. Elucidate the initial speed of the apple?
Vector A has components Ax =+4.0 units and Ay=+3.2 units, whereas vector B has components Bx=-2.5 units and By=+5.5 units
Illustrate what is its average acceleration during a stop from that velocity? Express your answer in m/s2. Consider the car's initial velocity to be a positive quantity.
An explosion breaks an object initially at rest into two pieces, one of which has 1.6 times the mass of the other. how much kinetic energy did the heavier piece acquire
A 2.23-m-long rod, as measured in its rest frame, speeds by you longitudinally at 6.11 × 107 m/s. By how many millimeters do you determine the rod has contracted
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