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In a football game a kicker attempts a field goal. The ball remains in contact with the kicker's foot for 0.0205 s, through which time it experiences an acceleration of 220 m/s2. The ball is launched at an angle of 56.5° above the ground. Decide the (a) horizontal and (b) vertical components of the launch velocity.
What is the ratio of the cardinal's magnitude pc of momentum to the magnitude pb of the baseball's momentum?
A passenger hanging onto a strap notices that an adjacent unused strap makes an angle of 14? to the vertical. What is the radius of the turn
a 0.700-kg ball is on the end of a rope that is 0.50 m in length. the ball and rope are attached to a pole and the
At a given instant in time, a traveling EM wave is noted to have its maximum magnetic field pointing west, what are the maximum values for the two fields
An ideal gas is compressed from a volume of 400 cm^3 to a volume of 150 cm^3 slowly and isothermally in a piston-cylinder system. determine the heat transfer
When the sum of all forces acting on a system is zero, the system is said to exist in a state of equillibrium. What is the mass corresponding to this force
Sam heaves a shot with weight 16-lb straight upward, giving it aconstant upward acceleration from rest of 46.0 m/s^2 fora height 64.0 cm. What is the speed of the shot when he releases it
A 10-m-by-14-m house is built on a 12 centimeter thick slab of concrete. Find the rate of heat loss through the slab
A 72.5 - kg skateboarder stands at the edge of a half pipewith a diameter of 5.46 m . he gently tips over the edge and ridesto the bottom where his speed is 6.94 m/s. he then kicks toincrease his speed to 8.53m/s as he starts to ride up the others..
One of the first signs of sunburn is the reddening of the skin (called erythema). How many photons are incident on the skin in this amount of exposure
A 67-kg skier is going down a 31 ° slope. The area of eachski in contact with the snow is 0.19 m2. Determine the pressure that each ski exerts on the snow
An RLC circuit has a sinusoidal voltage supplied to it at 632 kHz with a peak voltage of 748 V; a 25 k? resistance; a 16 µF capacitance; what is the peak current for this circuit
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