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A 7.27 kilogram block is initially moving with some speed due to the application of a constant horizontal force of 118.3 Newton. The coefficient of kinetic friction between the block and the surface is mk = 0.172. The block moves a horizontal distance of 2.39 meter at which point its speed is 15.12 m/s. Evaluate what the initial speed of the block.
David is driving a steady 24 when he passes Tina, who is sitting in her car at rest. Tina begins to accelerate at a steady 2.70 at the instant while David passes. How far does Tina drive before passing David.
an object is attached to the lower end of a 100coil spring that is hangign fromm the ceiling. how much does spring stretch now
drops of rain fall perpendicular to the roof of a parked car during a rainstorm. the drops strike the roof with a speed
Charges Q1 = 6 x 18-8 C and Q2 = - 6 x 10^9 C are separated by 0.1m. What is the magnitude of the electric field midway between the two charges
a projectile is fired at angle of theta from the horizontal with an initial velocity of vo. the projectile strikes the
A 3.0 kilogram block slides with a speed of 1.1 m/s on a frictionless, horizontal surface until it encounters a spring. Determine what initial speed should the block have
a powered rotating disc roates with a constant 2.27 rads2 angular acceleration. after 3.98 s it has rotated through an
Consider a thin spherical shell with surface charge density σ = σoCosθ and radius R centered about the origin (x=y=z=0). Here σo is a constant.
How fast is the top of the tree moving (in m/s) just before it hits the ground? Model the tree as straight, rigid rod, and ignore friction and air resistance.
Consider an RLC circuit with driving emf amplitude %u0395m = 12 V, Find the amplitude of the voltage across the inductor at resonance
A spherical weather balloon is filled with hydrogen until its radius is 3.40 m. Its total mass including the instruments it carries is 10.0 kg. Find the buoyant force acting on the balloon
What is inductance of the solenoid
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