An object with a mass of 2.30kg is initially moving at a rate of 4.16m/s. A net work of 32.5 J is done, resulting in a change in the objects speed. What is the final speed?
Q: A bird is resting in a tree 15.0 meters high above the ground. A 0.5 kg stone is slingshot straight…
A:
Q: A 24.0 kg object is initially traveling at 3.50 m/s. Exactly one minute later the object is…
A: According to work-energy theorem, work done on object during one minute is equal to the change in…
Q: A 3 kg object is moving to the right at a speed of 10ms10ms. A constant force is applied to the left…
A: Given that Mass of the object, m=3 kg Initial speed of the object, u=10 m/s Final velocity , v=0…
Q: A 50-kg crate sits at rest on a floor. A person pushes on the crate with a horizontal force of 600N,…
A: According to work energy theorem: Net work done = Change in kinetic energy We+Wf=12mv2-12mu2 We and…
Q: An object with a mass of 12.1 kg slides on a frictionless surface at 1.48 m/s. How much work must be…
A: Recall work-kinetic energy theorem. W=change in KE
Q: 4. This Olympic skeleton athlete slides down an icy track head first. The track has many twists and…
A: We are given an athlete sliding down the track. We are given that there is friction and air…
Q: ck with a mass of 4 kg is sliding across a horizontal surface with an initial speed of 5 m/s.…
A:
Q: An 8.0 kg object is moving in the +x-axis direction. When it passes through x = 0, a constant force…
A: Given, m = 8 kg when x = 0 m, K1 = 30 J K = 0.5 mv2 therefore, v12 = 2K/m v1=2Km = 2×308 = 2.74…
Q: A car of mass 1078 kg moves up a mountain road with the help of a nonconservative force that does…
A:
Q: A helicopter, starting from rest, accelerates straight up from the roof of a hospital. The lifting…
A: Given: m = 800 kg v = 7.5 m/s h = 8.7 m t = 4 s…
Q: A force F of strength 20 N acts on an object of mass 3 kg as it moves a distance of 4 m. If F is…
A: Given value--- force = 20 N. mass = 3 kg. displacement = 4 m. We have to find--- work it does is…
Q: A 69.0-kg athlete leaps straight up into the air from a trampoline with an initial speed of 8.9 m/s.…
A: The objective of the question is to find the kinetic energy of the athlete at the maximum height she…
Q: An object with a mass of 2.29 kg is initially moving at a rate of 4.88 m/s. A net work of 34.8 J is…
A: The work done by the sum of all forces acting on a particle equals the change in the kinetic energy…
Q: Quick Start: A car accelerates from 0 to 43.2 m/s in 4.67 s. The mass of the car is 2.04e+03 kg. (a)…
A:
Q: A 24.0 kg object is initially traveling at 3.50 m/s. Exactly one minute later the object is…
A:
Q: Suppose an elephant has a mass of 3050 kg. How fast in meters per second does the elephant need to…
A:
Q: A rectangular marble block has dimensions 1m by 1m by 5m and weighs 125000N. The marble block is…
A:
Q: A 5.0 kg mass is initially sitting on the floor when it is lifted onto a table 1.15 meters high at a…
A:
Q: A soccer ball hits the goalie's hands with a horizontal velocity of 38 m/s. The mass of the soccer…
A:
Q: A 5.9 kg object is moving in the positive x direction. When it passes through x = 0, a constant…
A: Mass, m=5.9 kg distance moved,d=5 m Kinetic energy initial, K0=29 J Final energy, KF=0 According to…
Q: A 5.39 kg object is initially traveling at 32.8 m/s. During the next 240 seconds – 683 J of total…
A: Given:Mass of the object = 5.39 kgInitial velocity = 32.8 m/sWork done = - 683 J
Q: A 2.68 kg mass is initially at rest upon a horizontal surface. It is then acted an applied force.…
A: Using work energy theorem Wnet=change in kinetic energy.
Q: 4. A fighter jet is launched from an aircraft carrier with the aid of its own engines and a steam-…
A:
Q: An applied force of 14.6 N acts on a 2.50 kg mass that is initially at rest. Over a distance of 2.36…
A:
Q: saltwater crocodile (Crocodylus porosus) with a mass of 521 kg, is seen chasing prey and reaching a…
A:
Q: A fighter jet is launched from an aircraft carrier with the aid of its own engines and a…
A: The objective of the question is to find the work done by the catapult on the fighter jet. The work…
Q: A 5.0-kg cat was travelling at a constant speed of 8.0m/s. It then encounters a 6.0-m long rough…
A:
Q: At an amusement park, a swimmer uses a water slide to enter the main pool. If the swimmer starts at…
A: Given Data :initial speed u = 0 msinitial height hi = 2.55 mlet v denotes the speed at the bottom…
Q: What is the speed of a 239g baseball whose Kinetic energy is 258 J?
A:
Q: An object with a mass of 2.30kg is initially moving at a rate of 4.16m/s. A net work of 32.5 J is…
A: According to the work- energy theorem, change in kinetic energy equal to the work done by the system
Q: 6. A quarterback throws a football weighing 300 g at a speed of 3.78 m/s at a height of 0.5 meter.…
A: Given: The mass of the ball is 300 g. The initial speed of the ball is 3.78 m/s. The height of the…
Q: A 33.00 kg block starts from rest at the top of a 23.0 m long 30.0° incline. Its kinetic energy at…
A: Working formula Work done by friction=Potential energy of the block at the top - Kinetic energy of…
Q: A sprinter who weighs 639 N runs the first 8.6 m of a race in 1.9 s, starting from rest and…
A: Given quantities, Mass of sprinter = 639N time for first 8.6m = 1.9s Initial velocity = 0 a) Using…
Q: For its size, the commonflea is one of the most accomplished jumpers in the animal world.A…
A: Given The height cover by the flea is h=20 cm=20×10-2 m. The mass of flea is m=0.50 mg. By the…
Q: An applied force of 14.4 N acts on a 2.50 kg mass that is initially at rest. Over a distance of 2.35…
A:
Q: A saltwater crocodile (Crocodylus porosus) with a mass of 531 kg, is seen chasing prey and reaching…
A: Given, Mass of crocodile, m = 531 kgfinal speed , v = 25.9 km/h =25.9×1000m3600s =7.19 m/sTime taken…
Q: An object with a mass of 2.1 kg is initially moving at a rate of 5.73 m/s. A net work of 37.8 J is…
A: Mass of the object, m=2.1 kg The initial speed, u=5.73 m/s The net work, W=37.8 J
Q: A model train powered by an electric motor accelerates from rest to 0.720 m/s in 29.0 ms. The total…
A: The average acceleration of the train is.
Q: The velocity of a 1.6kg particle changes from 3i-6j m/s to -6i+3j m/s. What is the change in kinetic…
A:
Q: A typical human brain has a mass of 1.4 kg, which makes up about 2% of a person's mass. However, the…
A:
Step by step
Solved in 2 steps