physics please?

<p>Can somebody help me with these questions pleasee?? thanks so much in advance!:)</p>

<ol>
<li><p>A bicycle has a tire with outside diameter of 24 inches. THe bicyclists pedals such that the bicycle accelerates from rest to 10 mph in 5.0 seconds. What is the angular acceleration of the tire?</p></li>
<li><p>Two capacitors with capacitances of 1.5 and 0.25 uF, respectively, are connected in parallel. The system is connected to a 50-V battery. What charge accumulates on the 1.5 uF capacitor?</p></li>
<li><p>IN a 2-dimensional Cartesian coordinate sy stem the x-component of a given vector is equal to that vector's magnitude multiplied by which trigonometric function, with respect to the angel between vector and x-axis?</p></li>
<li><p>What is the magnitude of the force needed to accelerate a 20 kg cart from rest to 0.50 m/s in 2.0 s?</p></li>
<li><p>The two ends of a 6.0 kg plank rest on scales. A 4.0 kg mass is placed one-quarter of the way in from one end. THe two scales register weigths of: </p></li>
<li><p>All batteries use what type of current to work?
Sinusoidal current, alternating current, direct curernt, invert pase current, or pulse currrent (choose one)</p></li>
<li><p>A player kicks a football at an angle of 30.0 degrees above the horizontal. THe football has an initial velocity of 20.0 m/s. FInd teh horizontal component of the velocity and the maximum height attained by the football.</p></li>
</ol>