### PHYSICS HOMEWORK #131

What will be the velocity of this ball when it reaches the ground? In general, how does the electric field strength vary with increasing distance from a uniform, planar distribution of charge? A marble, which has a mass of 24 grams, is dropped from a height of 94 cm. An infrared sensor system is set up so that two sensors start timing when the infrared beam of the first sensor is blocked and then the timer stops when the beam of the second sensor is blocked. After the collision the What is the magnitude of the centripetal force acting on this ball?

What would be a reasonable estimated error on the slope of this tangent line? Two pith balls, each of which is suspended from the end of a piece of very thin thread, are attached to a common point of suspension as shown to the left. How much kinetic energy would you have to give to this rocket while sitting on the surface of Callisto in order to put the rocket into orbit around Callisto at an altitude of 4, km.? Determine the average speed during each of the time intervals above. What will be the velocity of the cart when it reaches the top of the incline? What will be the height of this ball above the ground when it reaches the highest point? Negative mass wikipedia , lookup.

After the bullet leaves the rifle is strikes a block of wood which has a mass of 5. What will be the net [unbalanced] force on this system? Sketch the honework of this particle through the electric field. Determine the charge on each ball if the charge of q1 is 3x the charge q2.

Answers to opposite side: What is the coefficient of static friction ms between the block of wood and the horizontal surface? The same boat in 6 turns around and heads back upstream.

Suppose that this boat is now aimed directly across the river. A slight push is given to m1 and as a result m1 slides up the incline at a constant speed v. What should the velocity of this jet be in order for it to arrive at its physocs on time?

What will be the angular acceleration of this disc?

## Physics homework #131 answers

What will be the speed of the shuttle at the end of 8. Which ball will be moving faster when each hits the ground? The moon Io orbits the planet Jupiter at an altitude of 3. What will be the maximum gravitational energy contained in the ballistics pendulum when it reaches the maximum angle? How far will this car move from the time that the brakes are applied until the car comes to a stop?

Consider a bridge which is 38 meters long, weighs 34 tons and is supported at each end by a concrete pier. As a result the sled moves along the horizontal surface with a constant speed.

What will be the magnitude of the centripetal force acting on this satellite? How far will the block slide along the horizontal surface before phyiscs comes to a halt?

On the graph at the right sketch the electric field strength as a function of distance from the center of the solid sphere. With what velocity would this rocket have to be launched from the surface of Callisto in order for the rocket to escape the gravitational effects of Callisto?

What will be the average angular velocity of this wheel during this 5. After the collision the 5. How long will it take for physiccs to reach the floor? What will be the strength of the electric physicz at a point in space where a 5.

# Physics homework # answers

Electrostatics free fundamentals of pennsylvania, marvel team-up A simple machine, which has a know AMA of 3. What will be the final displacement of this boat when it reaches the opposite shore of the river? Free fall wikipedialookup. While in contact with the bat the ball undergoes a maximum compression of approximately 1.

A second string is tied to the first string at a point.

A force of N is applied to the front of a sled at an angle of T3 T2 m2 A mass of 2. What will be the final velocity of the 8. How far from the base of the building will the bullet strike the ground?