What work must be done to stop a bullet moving with a velocity of 2000ms-1 and having a mass of 50g? a) 105J b) 106J c) 104J d) 107J
Q: 4. you throw a ball straight up with a speed of 17.4 m/s. calculate how high the ball goes using the…
A:
Q: Describe an object that has a lot of kinetic energy, but not very much mass.
A: Kinetic energy: It is defined as the energy possessed by the body by virtue of its motion. Let us…
Q: A skateboarder with a mass of 90 kg is skating towards a ramp at 5 m/s. The skater begins to move up…
A: a) Lets apply energy conservation to solve this question:- Ei= Ef => Ki + Ui = Kf + Uf => 0.5…
Q: Fig. 2: Equipment setup A 200 g mass suspended over a pulley pulls a cart containing some weights…
A: given thatmass of cart, M=450 g or 0.45 kgsuspended mass, m=200 g or 0.2 kgh=0.75 mv=0.95 m/sthey…
Q: 12) A 7.80 g bullet moving at 600 m/s penetrates a tree trunk to a depth of 6.0 cm. Using…
A:
Q: the KE of a 1 000 kg . Calculate car travelling at 60 km/h.
A: Given data: Mass (m) = 1000 kg Velocity (v) = 60 km/h Required: Kinetic Energy (KE)
Q: Compare the work required to stop a 100-kg crate sliding at 1.0 m/s and an 8.0-g bullet traveling at…
A:
Q: This is physics question and can you answer using the physics Energy and momentum formula
A: mass of object (m) = 3 kg initial velocity (u) = 2 m/s [S]
Q: 4) A block of 1 kg falls from a vertical cliff of height 100m. a) Calculate the velocity of the…
A: Hai, since there are multiple sub parts posted, we will answer the first three sub parts. (a) The…
Q: V=10.om/s 12. A 2000-kg car has a velocity of 12.0 m/s. The car then hits a tree. The tree doesn't…
A: 12)Given, Mass of car(m)= 2000kg Initial velocity of car (u)= 12 m/s Final velocity of car (v)= 0m/s…
Q: 1) Consider this half-sphere water tank of radius 5 meters. Suppose that this tank is completely…
A: The radius of the water tank is: The density of the water is:
Q: How fast should a 100 kg football player run to have the same kinetic energy as a 156 kg player…
A: Given data: Mass of first player (m1) = 100 kg Mass of second player (m2) = 156 kg Speed of second…
Q: 6. A 5000kg truck travelling at 15ms-1 slams into a cement wall, stopping in a distance of 6m. a)…
A:
Q: A car (m=1000 kg) is initially moving at a speed of 20 m/s (~45 mph) when the driver hits the brakes…
A: Work done is equal to change in kinetic energy W=∆EK=12mvf2-vi2=121000 kg0-20 ms2=-200000 J=-200 kJ
Q: a). Which of the following is NOT a unit of potential energy: a)J, b) kg*m/s^2, C) kg*m^2/s^2, D)…
A: a) unit of potential energy are hence option C is not unit of potential energyb)we know change…
Q: A little boy has mass (m) and a girl who has mass (2m) are standing still at an ice skating rink.…
A: SOlution:
Q: A 1000kg car moving horizontally at 20m/s plows into a bank of sand and comes to a stop in 5s what…
A:
Q: A 1200 kg car moving at 30.0 m/s come to a stop by skidding. a) How much work is done by friction…
A:
Q: 4) A block of 1 kg falls from a vertical cliff of height 100m. a) Calculate the velocity of the…
A: Given : Mass = 1kg Height = 100 m (a) Velocity before it hits ground : We know 3rd equation of…
Q: How much work was done if an objects kinetic energy changes from 35 J to 15 J? A) -20 J B) 20 J C)…
A: Given, Initial KE =35J Final KE=15 J
Q: Given that the PE at A is 20 kJ and KE at A is 5.0 kJ. What is the KE at B if the height at B is 2.0…
A:
Q: 8. Michaela and Carlee decide to rob the school of the Presentation Night loot on roller skates.…
A: Given data : Mass of the bag (m) = 12kg Mass of michaela (m') = 58kg Initial speed of the bag (v) =…
Q: When the speed of an object doubles, does its kinetic energy double? Explain your
A: Kinetic energy
Q: 1.) A bowling ball is rolling along a bowling lane. If it rolls at twice the speed, then its: A)…
A: We are given a bowling ball rolling at a certain speed. The objective is to find the energy and…
What work must be done to stop a bullet moving with a velocity of 2000ms-1 and having a mass of 50g?
a) 105J
b) 106J
c) 104J
d) 107J
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
- 7) A 1,000[kg] rock is moved from the north end of a parking lot to the south end. The parking lot is horizontal and the length of the parking lot is 10[m]. How much work needs to be done to the rock? XA) B) C) O[J] 10[J] 100[J] D) 1,000[J] 10,000[J] F) More information needs to be given7) A 1000 Kg sports car accelerates from 0 to 30m/s in 10 s. What is the average power of the engine?help : Find the velocity of a 10 kg ball if it has 400 Joules of kinetic energy
- 27) The kinetic energy of a motorcycle and rider is 41,312 Joules. If their mass is 346kg, what is their speed in m/s? Keep 1 decimal in the answer.A different car accelerated from 0.12 m/s to 0.52 m/s. The acceleration of the car was 0.040 m/s². The work done to accelerate the car was 0.48 J. Calculate the resultant force needed to accelerate the car.A 50 kg surfer is riding a 25 kg surfboard at a speed of 6.00 m/s and then jumps off the front, moving forward. The surfer's velocity when jumping off the surfboard is 2.50 m/s Find the surfboard's velocity immediately after the surfer jumps off. Your answer
- mass = 60 kg velocity= 8 m/sms/quizzing/user/attempt/quiz_start_frame_auto.d21?ou Time Left:1:44:59 Listen A force of 30.0 N is required to push a 20.0 Kg mass 2.00 m across the floor. The mass is then lifted a distance of 1.00 m to the top of a shelf. How much work was done on the mass? a) 1396 J Ob) 226 J c) 69.8 Derek Attwood: Attempt 1 d) 256 J