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A toddler, initially standing next to his father in the front yard, walks slowly away from his dad in the direction of 30.0? N of E for 3.50 meters. He turns in the direction 40.0? W of S and walks an additional short distance before finally walking a third distance due south before stopping. At the end of his journey, the toddler is 2.0 meters due east of his father. How far was the distance he walked due south?
A cannon fires a cannonball from the top of a wall at a speed of 91.05 m/s and an angle of 31.18 degrees from the horizontal. What is the horizontal distance from the wall where the fired cannonball hits the ground
As an electron in a cold hydrogen atom "flips" to align its magnetic moment with the B-field that surrounds its proton, Calculate the frequency and energy of this photon
An inexperienced hunter shoots at a squirrel sitting in a tree. The squirrel is sitting on a branch that is 22 m above the gun barrel, Write the initial velocity of the bullet in vector form
An artillery shell is red with an initial velocity of 328 m/s at 51.1 degrees above the horizontal. To clear an avalanche, it explodes on a mountainside 42.1 s after fi ring. What are the (a) x and (b) y coordinates of the shell where it explod..
Two people are pushing inward on a door from the outside. One person is pushing the door shut from the inside. how much force is the hinge exerting on the door
A series circuit consists of an ac source of variable frequency, a 115 ohm resistor, a 1.25 microfarad capacitor, Find the impedance of this circuit when the angular frequency of the ac source is adjusted to the resonance angular frequency
Your medieval history class is constructing a trebuchet, a catapult-like weapon for hurling stones at enemy castles, Find an expression for the angle that will maximize the range of a projectile launched with speed from height above level ground
A wire cable is rated to have a maximum power of 308 W. If the potential difference is 110 V, what maximum current can the wire handle
question1find out the normal force for a laundry basket with a mass of 3.4 kg in each of the following situationsa at
An unknown material has a normal melting/freezing point of -26.3 ° C, and the liquid phase has a specific heat capacity of 160 J/(kg · C °). What is the latent heat of fusion of the unknown material
A proton collides elastically with a stationary deuteron. If the proton is deflected by 37 degrees, what fraction of its kineti energy does it transfer to the deuteron.
The membrane that surrounds a certain type of living cell has a surface area of 4.4 x 10-9 m2, The potential on the outer surface of the membrane is +52.2 mV greater than that on the inside surface. How much charge resides on the outer surface
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