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A ball of mass 1.5 kg is thrown upward. It leaves the throwers hand with a velocity of 10 m/s. The following questions refer to the motion after the ball leaves the throwers hand. Assume that the upward direction is positive.
Determine the change in momentum of the ball?
Find how long does it take for the ball to return to the throwers hand?
Find the impulse determined from the change in momentum?
Obtain the final velocity of the ball just before it reaches the hand?
Calculate the average force acting on the ball?
After the ball hits the thrower's hand, it comes to rest in 0.25 sec. Find what is the net impulse exerted on the ball?
Compute the average force exerted on the ball by the hand after it comes to rest (Hint: Don't forget the gravitational force)?
You are driving a car which is heading 30 m/s towards a brick wall. You sound a horn which emits at a frequency of 410 Hz when at rest. What is the beat frequency that you hear
Three moles of an ideal monatomic gas expands at a constant pressure of 2.90atm ; the volume of the gas changes from 3.00×10?2m3 to 4.40×10?2m3. Calculate the amount of work the gas does in expanding
Which of the following are types of electromagnetic radiation? (Check ALL that apply) Sound Radio waves Gamma rays Infrared X-Rays Visible light Pressure waves
A uniform plank of length 4.00 m and weight 350 N rests horizontally on two supports, with 1.00 m of the plank hanging over the right support. What is the maximum value of the distance x before the plank begins to tip
Consider three non-interacting particles each of which has three accessible quantum states. Determine the possible states for this system if the particles are fermions
Two negative point charges are separated by 11.0cm and feel a mutual repulsive force of 1.85?N . The charge of one is three times that of the other. How much charge does each have? in nanocoulumbs
This question requires three answers. Three resistors are connected in parallel with a 9.0 V battery. What is the voltage drop across R2
Suppose the three resistors in the circuit have the values of R1=180 ohms, R2=300ohms, and R3=450 ohms, and that the emf of thebattery is 12.0 V.
displacement 1 is in the yz plane 58.0deg from the positive direction of the y axis has a positive z component and has
A planet of mass m = 1.35 × 10^24 kg is orbiting in a circular path a star of mass M = 7.35 × 10^29 kg. What is the orbital period (in earth days) of the planet T-planet
an object with a mass of .40 kg moving with a speed of 25 m/s is brought to rest after sliding on a rough surface. What is the stopping distance of the object
Each cable has a length of l = 2.70 -{rm m}. What is the tension T in each of the cables? Use 9.80- {rm m/s}^2 for the magnitude of the acceleration as a result of gravity.
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