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1. Starting from rest, you move with a constant acceleration of 2.2 m/s2 for 15.0 s and then move with an acceleration of -2.2 m/s 2 for another 15.0s. What is your maximum speed attained?
2. How far do you go through the whole trip?
An oscilloscope shows a steady sinusoidal signal of 5 Volt peak to peak, if we have voltage knob on 2 volts per division, how many divisions will be read on the screen
A child in a boat throws a 5.45-kg package out horizontally with a speed of 10.0 m/s. Calculate the velocity of the boat immediately after, assuming it was initially at rest
a pitcher throws a horizontal fastball with a velocity of 34 m/s to the left. The batter hits the baseball horizontally to the right with a speed of 52 m/s. How much work is done on the baseball by the bat
A rope applies a horizontal force of 193 N to pull a crate a distance of 1.89 m across the floor. What is the work done by the frictional force
An electric field given by = 6.0· - 3.9(y2 + 3.5)· pierces a Gaussian cube of edge length 3.2 m and positioned as shown in Fig. 23-56. (The magnitude is in newtons per coulomb and the position x is in meters.) What net charge (in Coulombs) is enclose..
A capacitor is connected across an ac source that has voltage amplitude 61.5 and frequency 80.0. What is the phase angle for the source voltage relative to the current
a little boy standing at the cliff 500 m high. He throws a ball straight upward at an initial speed of 20 m/s squared. At a time of 6 seconds after it was thrown, how far above ground is i
a new record for running the stairs of the empire state building was set on february 3 2003. the 86 flights with a
An arrow has a velocity of 45.0 m/s when it reaches a straw target. estimate its average acceleration while coming to rest
an electron moves in a circular path perpendicular to a magnetic field of magnitude 0.280 t. if the kinetic energy of
A person is making homemade ice cream. She exerts a force of magnitude 21 N on the free end of the crank handle on the ice-cream maker, what is the average power being expended
A very long, hollow cylinder (radius 4.7cm) is formed by rolling up a thin sheet of copper, Use Ampère's law to find the magnetic field outside the cylinder at a distance 6.8cm from the axis
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