Science

PhysicsQ&A LibraryTwo Bowling balls are moving toward each other and collide. Assume elastic collision.M = 2 kg moving at 3 m/sec, and m = 1.8 kg moving at-4 m/sec.Find their velocities after the collisionFind their total initial kinetic energy, and total final kinetic energy. Are they equal?Question

Asked Oct 21, 2019

3 views

Two Bowling balls are moving toward each other and collide. Assume elastic collision.

M = 2 kg moving at 3 m/sec, and m = 1.8 kg moving at

-4 m/sec.

Find their velocities after the collision

Find their total initial kinetic energy, and total final kinetic energy. Are they equal?

Step 1

Write the expression for final velocity for elastic collision

Step 2

Substitute the values

Step 3

Write the expression for final vel...

Tagged in

Find answers to questions asked by student like you

Q: A simple harmonic oscillator has k = 12.0 N/m and m = 0.14. To calculate the period, can the subjec...

A: Given:Spring constant, k = 12 N/mMass of the object, m = 0.14 kg

Q: In terms of rotational inertia, explain why: Short-legged people step more quickly than long-legged ...

A: Short leged people have smaller radius of rotation than long legged people. Short legs have less rot...

Q: In the figure, a frictionless roller coaster car of mass m = 818 kg tops the first hill with speed v...

A: (a) Consider the initial point of the car as T, and the datum of the system be point T. The work don...

Q: A boy throws a baseball onto a roof and it rolls back down and off the roof with a speed of 4.05 m/s...

A: Given,

Q: How many centimeters are in 2 kilometers? Write your answer in scientific notation. How long wou...

A: (1) The relationship between centimeter and kilometer is given.

Q: A dump truck is being filled with sand. The sand falls straight downward from rest from a height of ...

A: Given,

Q: Calculate the wavelength

A: Click to see the answer

Q: Two equal point charges are separated by a distance 2d. When the separation is reduced to d/2 and bo...

A: Consider the charge will be q initially.The formula for the electric potential energy is:

Q: On earth, two parts of a space probe weigh 11 000 N and 3400 N. These parts are separated by a cente...

A: Using Newton’s law of gravitation,

Q: A woman runs a kilometer using a force of 210N and a power output of 500W. How long in minutes does ...

A: Given:Force = 210 NPower = 500 WDistance travelled = 1 km = 1000 m

Q: A packing crate with mass 80.0 kg is at rest on a horizontal, frictionless surface. At t = 0 a net h...

A: Click to see the answer

Q: We know that a speaker that is 3m away from us is playing music at an intensity of 0.89W/m2. What is...

A: Note: Since there are multiple questions, we are answering only the first one . Please resubmit the ...

Q: In lab you shot a projectile off of the edge of a table at an angle of 30o with a speeed of 2.5 m/s....

A: Click to see the answer

Q: (a) Compute the amount of heat needed to raise the temperature of 1 kg of water from its freezing po...

A: (a)Write the expression for amount of heat required to raise temperature to boiling point

Q: A 950 kg automobile is at rest at a traffic signal. At the instant the light turns green, the automo...

A: At time t=3.7 s, the position and the speed of the automobile and truck will be :

Q: Hi, I have to on a graph vectors that illustrate this problem. Suppose you have to move a heavy crat...

A: Click to see the answer

Q: A 28-g rifle bullet traveling 190 m/s embeds itself in a 3.1-kg pendulum hanging on a 2.8-m-long str...

A: From the conservation of total momentum, we have,

Q: An open train car, with a mass of 2190 kg, coasts along a horizontal track at the speed 2.17 m/s. Th...

A: Let us calculate the car speed v, as shown below:

Q: You are watching a baseball game on a day when the air temperature is 20 oC. You see the bat hit the...

A: Consider the speed of sound be v, the distance of the home plate be s, and the time taken by the sou...

Q: Why did Maxwell think there were kinds of electromagnetic radiations other than visible light?

A: Maxwell developed equations for the electromagnetic field. The experiment suggested that the speed o...

Q: An unfortunate astronaut loses his grip during a spacewalk and finds himself floating away from the ...

A: Consider the mass of the astronaut be ma, the mass of the bag be mb, the minimum final speed of the ...

Q: A 2.7-m-tall, 50-cm-diameter concrete column supports a 4.0×105 kg load. By how much is the column c...

A: Given:Length of the column, L = 2.7 mDiameter of the column, D = 50 cmRadius of the column, R = 25 c...

Q: If earth's mass decreased by one-half its original mass with no change in radius, by what factor wou...

A: Gravitational force between the Earth and the object is given by

Q: A person hangs a spring vertically from the ceiling and attached is a 0.260 kg mass to the bottom. A...

A: The force which cause stretching is the weight of mass.

Q: A hollow sphere is attached to the end of a uniform rod. The sphere has a radius of 0.76 m and a mas...

A: Given values:Mass of the hollow sphere, M = 0.46 kgThe radius of the sphere, R = 0.76 mLength of the...

Q: A railroad diesel engine weighs four times as much as a freight car. The diesel engine coasts at 7.0...

A: Using conservation of momentum,

Q: A block is attached to a spring and set in motion. For this spring and block, the location on the su...

A: At the maximum distance from the resting position, the speed of the block will be zero. The speed of...

Q: A ladder is leaning against a vertical wall, and both ends of the ladder are at the point of slippin...

A: Write the condition for balanced forces in the vertical direction

Q: SI Session 2 Define Period (T): Frequency (f): A buoy bobs up and back down...

A: Hi, there. As per our guidelines we only answer maximum one question and maximum 3 subparts per sess...

Q: Problem 3.43 Three forces are exerted on an object placed on a slope in the figure(Figure 1). The fo...

A: Resolve the forces along the inclination and perpendicular to it, also consider x and y-axis as show...

Q: A bob of mass 2.00 kg is suspended from a spring whose spring constant is 150 N/m.I This undamped sy...

A: The angular velocity of the spring is,

Q: A mass spectrometer is being used to monitor air pollutants. It is difficult, however, to separate m...

A: Consider the mass of the CO be mc, the mass of the N2 be N2, and the radius of curvature of the spec...

Q: A rifle is aimed horizonally toward the center of a target 120m away. If the bullet strikes 11.2cm b...

A: Given:Horizontal distance covered by bullet = 120 mVertical distance covered by bullet = 11.2 cm = 0...

Q: In critically damped free vibration of SDF system, why Ccr=2mWn ?

A: Let ccr be the value of c when the system is critically damped.Write the equation of motion for the ...

Q: 3. A periodic wave which causes displacement vs. time of one point in space is shown in the graph. I...

A: a)The representation of the given scenario is shown below,

Q: A fairground ride spins its occupants inside a flying saucer-shaped container. If the horizontal cir...

A: Consider the radius of the circular path be r, the centripetal acceleration be ac, the angular veloc...

Q: a. What is the current in each resistor? I1___ I2____ I3____ I4_____ b. What is the voltage across ...

A: Since we are entitled to answer up to 3 sub-parts, we’ll answer the first 3 as you have not mentione...

Q: Question 20

A: (20) Consider the mass of the book be m, the spring constant be k, the compression in the spring x, ...

Q: If Vector A is 50cm, Vector B is 30cm and Vector C is 20cm, then how would a graphical representatio...

A: The vector T is the sum vectors A, B and C

Q: A 1.70-kg ball, moving to the right at a velocity of +3.31 m/s on a frictionless table, collides hea...

A: Consider the initial velocity of the 1.70 kg-ball be u1, the initial velocity of the 7.40 kg-ball be...

Q: When the current in a toroidal solenoid changes at a rate of0.025 A/s, the magnitude of the induced ...

A: The emf induced in the solenoid coil is,

Q: In the figure, a 2.6 g ice flake is released from the edge of a hemispherical bowl whose radius r is...

A: Given:Mass of the ice flake, m = 1.6 g = 0.0016 kgRadius of the bowl, r = 16 cm = 0.16 m

Q: What is the average land speed velocity of an unladen swallow?

A: In order to calculate the airspeed you have to take the difference between ground speed and the wind...

Q: The lower end of a long plastic straw is immersed below the surface of the water in a plastic cup. A...

A: The lowest gauge pressure which the person can gain in his lungs will be equal to the gauge pressure...

Q: 1. We know that a speaker that is 3m away from us is playing music at an intensity of 0.89W/m2 What ...

A: 1)the power is given by,

Q: The circuit in the figure (Figure 1)is called a voltage divider. What value of R will make ΔVout =ΔV...

A: The input voltage is

Q: A child is riding in a child-restraint chair, securely fastened to the seat of a car. Assume the car...

A: Given information:

Q: N1T.4 A large car drags a small trailer in such a way that their common speed increases rapidly. Whi...

A: A large car drags a small trailer in such a way that their common speed increases rapidly. Thus, bot...

Q: Suppose that R = 4 kΩ and C = 5 μF. What is the time constant for the discharge of the capacitors in...

A: Given,

Q: The lightbulb in the circut diagram above has a resitance of 1.0 ohm. Consideter the potetial diffre...

A: (A) Write the Ohm’s law.