A man  who  is  on  top  of  a roof  of  a  high  building  drops  a  piece  of  metallic material.  A  second  piece of metallic material is  dropped    3.0   seconds  later.  How  far   apart  (km) are  the  materials  when  the  second  material  has  reached  a  speed  of  15.0  m/s

Q: A billiard ball (1kg) and a big piece of chewing gum (0.2kg) are moving at each other. The billiard…

A:

Q: A 5-kg body with a speed of 4.0 m/s collides head-on with another 10-kg body moving towards it with…

A: Mass of object 1 is Initial velocity of object 1 is Mass of object 2 is Initial velocity of object 2…

Q: Choose the best answer: An object that is speeding up would have O a a negative momentum b zero…

A: Write the expression for the momentum (p) of an object. p=mv

Q: 1. During a snowball fight, a 0.15-kilogram snowball traveling at a speed of 11.0 m/s hits a student…

A: From the definition of impulse, the average force is,

Q: JD is playing with some clay (mass = 18-g). He flings it across the room, where it lodges on the…

A: mass of clay (m) = 18 g mass of toy car (m') = 250 g Initial velocity of clay = u Initial velocity…

Q: The 5.4-Mg bus B is traveling to the right at vB = 18 m/s. Meanwhile a 2-Mg car A is traveling at v₁…

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Q: The position of a particle in cm is given by the function s(t)=2t^2-8t+1 where t is in seconds and t…

A:

Q: You (70kg) are running westward at a speed of 10m/s has a head-on collision with your crush (45kg)…

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Q: A grenade of mass: 25 kg and speed 2 m/s explodes into two identical fragments. If the grenade was…

A:

Q: Find the center of mass of the three-mass system shown in the figure relative to the mass mmm = 1.29…

A: Take the axis in which the masses lie to be x-axis, the position of mass m to be x=0, mass 1.50kg to…

Q: The green marble (m1= 2.6 kg) was in head-on collision to red marble (M2-8.2kg). Before the…

A: Given data:  Head on collision  m1 = 2.6 kg, m2 = 8.2 kg v1i = 7 m/s, towards right  and v2i = 5…

Q: The figure(Figure 1) shows a collision between three balls of clay. The three hit simultaneously and…

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Q: A hockey puck is hit by a stick and slides off at an initial speed of 0.5 m/s. Assuming that the ice…

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Q: Jenna was serving a 0.285 kg volleyball to win the set against UNB.  Scott was geeking it up and…

A:

Q: A 5.0-kilogram grenade lying motionless on the ground explodes into three pieces. (It's not a very…

A: Let the velocity of third piece be v at an angle ϕ degrees. Also note that the mass of third piece…

Q: Two bumper cars at the county fair are sliding toward one another (see figure below). Initially,…

A: Given :   Initial velocity of bumper car-1, v1i⇀ = 5.75 m/s  i^    Initial velocity of bumper car-2,…

Q: A 81.4 kg toy rocket is sent flying straight up into the air with an acceleration of 4.20 m/s2.…

A:

Q: 3. Harry Potter is doing his usual thing of cruising around looking for the Golden Snitch when a…

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Q: After striking the ground, the body of the guitar snaps cleanly off the neck, rebounding upwards…

A: This problem can be solved using equation of motion assuming constant acceleration.

Q: For a system of three particles moving along a line, an observer in a laboratory measures the…

A: The objective of the question is to find the velocity of the center of mass (CM) of a system of…

Q: A projectile is fired at ?0=407.0 m/s at an angle of ?=63.3∘, with respect to the horizontal. Assume…

A: Initial velocity of projectile, u = 407 m/s Angle of projection, θ = 63.3° Air friction will shorten…

Q: A 1000kg car traveling east at 30mi/hr collides with a 2000kg truck traveling west at 30 mi/hr. The…

A: Given: M1 = 1000kg V1 = 30 mi/hr east M2 = 2000kg V2 = 30 mi/hr west

Q: Table 5-Part 4   Elapsed time Length  Velocity  Purple cart before collision  0.20 0.0825cm…

A: Velocity is a vector quantity which depends on both direction and magnitude, which is calculate by…

Q: A 58 g superball traveling at 20 m/s collides with a wall and rebounded at 19 m/s. A high-speed…

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Q: An object of mass 3kg. moving with an initial velocity of 51 m/s., collides with and sticks to an…

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Q: Two identical balls undergo a collision at the origin of coordinates. Before collision, their scalar…

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Q: Two friends are playing pool at arcade center. One guy hit the cue ball to strike at another ball…

A: Answer:-  Given Velocity of cue ball after collision Vf= 2.50 m/s  angle (A1) = 14.00     ( theta =…

Q: Four balls collide and stick together as shown. What is the final velocity of the set given the…

A: Given masses and their velocities are: m1 =2.5 kg;   v1= 2 m/sm2 =1.5 kg;   v2 = 1 m/sm3 =0.97 kg;…

Q: Judy has a mass of 72.0kg and stands on slippery ice. She catches her leaping dog (mass 15.0kg),…

A: the speed of Judy and her dog after she catches him = ?

Q: A 600g object is thrown from a 2.2m high block (labeled A). Afterwards, it lands on a 1.4m high…

A: Given :     Mass of the object, m = 600 g = 0.6 kg     Height of block A, hA = 2.2 m    Height of…

Q: foot down incon mig missi that pass over a pen post designing system al efense base. Radar at the…

A: As h=4.2 km =4200 m   And horizontal distance x= 8242.96 m Then distance travelled by Patriot Rocket…

Q: Human reaction time is usually about 0.20 s. If your lab partner holds a ruler between your finger…

A:

Q: When a particle decays, it splits into two different particles and each is shot off in opposite…

A: Here given the uranium 238 split into thorium 234 and He4. The speed of emergent alpha particle is…

Q: 2. A 2 kilogram ball is being dropped from a roof that is 15 meters off of the ground. What is the…

A:

Q: Sample Problem 2: The magnitude and direction of the velocities of two identical frictionless balls…

A: It is given that,                          The velocity of ball A is vA is 30 ft/s.…

Q: A uranium nucleus (mass 238 units) at rest decays into helium nucleus (mass 4.0 units) and thorium…

A: Given Helium mass m1                      = 4.0 unit Thorium mass m2                    = 234 unit…

Q: Car A is moving to the right at 0.5m/s. Meanwhile, Car B, which is 6 meters to the right of car A…

A: Velocity of car A = 0.5 ms towards right Velocity of car B = 0.25 ms  towards left Distance between…

Q: A block of mass m1 = 2.7 kg moving with a speed of 12.9 m/s collides with a second block of mass…

A: Given, Mass of blocks, Initial speeds,

Distance and Speed

The speed, distance and time relation forms the basis of study of motion. You will need these concepts in the study of Mechanics. This concept is applicable for students who are studying the following courses –