Jason, with mass 80kg, does a cannonball into a pool. If he jumps with an initial downward velocity of 5 m/s, what is his kinetic energy after 1 second? a 9000J b 200000J c 300J d 20000J e 600J

Q: A bride tosses a bouquet of flower through the air with a speed of 2.4 m/s, and it smacks one of her…

A:

Q: A roller coaster (329 kg) moves from A (8.67 m above the ground) to B (26.9 m above the ground). Two…

A:

Q: Friction slows a 3200kg truck down from a speed of 20m/s to a stop. It loses all its kinetic energy…

A:

Q: reman of mass 80 kg slides down a pole. For the steps and strategies involved in solving a similar…

A:

Q: Consider a situation where you carry a 20-N box up a flight of stairs, raising its elevation by 5 m.…

A: Write the given values with the suitable variables. W=20 Nh=5 m Here, W is the weight of the box and…

Q: A 1.000 ´ 103 kg car is moving at 90.0 km/h (25.0 m/s) as it exits a freeway. The driver brakes to…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: A 22 kg child slides down a 4.0 m high playground slide. She starts from rest, and her speed at the…

A: Given value--- mass = 22 kg. initially height = 4 m. initial speed = 0 m/s. final speed = 3 m/s.…

Q: An object has 400 J of energy when it is traveling at 7 m/s, what is its kinetic energy when it is…

A: Given:KE1​=400 J when v1​=7 m/s Find Out: What is the kinetic energy of the object when it is…

Q: A 0.6 kg box moves up a ramp with some initial speed. It reaches a vertical height of 3.7 m before…

A:

Q: Friction slows a 3200kg truck down from a speed of 20m/s to a stop. It loses all its kinetic energy…

A: Mass of truck M = 3200 kg Speed of truck v = 20 m/s  We need to determine loss of kinetic energy…

Q: A 5-kg block moves along the x-axis. Its position changes with time as x=6-8t where x in meters and…

A: Given, mass of the block m = 5 kg x = 6-8t2    We know that velocity v is v=dxdtv=d6-8t2dtv=-16t m/s

Q: What is the velocity of a 4.8 x103 kg truck whose kinetic energy is 125 kJ? O 9.18 m/s O 6.29 m/s O…

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 40 kg runner is initially jogging at 1.5 m/s.  She exerts a net 20 N force for 4 m to speed up.…

A:

Q: Releasing some frustration at the end of the semester, you throw your physics book (mass of 2.7 kg)…

A: Given: m=2.7 kg h=25 m v=6 m/s Thermal energy=284 J

Q: At what speed does a 1900 kg compact car have the same kinetic energy as a 20000 kg truck going 24…

A:

Q: What is the kinetic energy of a 45 kg teenager running at a speed of 2.1 m/s? O 21.4 J O 94.5 J O…

A:

Q: Jenny is sledding down a hill. At one point, she has a velocity of 8.4 m/s. If Jenny has a mass of…

A:

Q: A diesel engine pumps out 49 kg of water in one second. The water comes out vertically upwards with…

A:

Q: An athlete in the Olympic game covers a distance of 100m in 10s. His kinetic energy can be estimated…

A: Option d correct

Q: A 0.6 kg box moves up a ramp with some initial speed. It reaches a vertical height of 3.2 m before…

A: The mass of the box is 0.6 kg. The final speed of the object is 0 m/s. The vertical height is 3.2 m.…

Q: Jacob is riding his bike down a tall hill. At the top of the hill, he has 2800J of potential energy.…

A: Whether the total amount of energy at the top is equal to the total amount of energy at the bottom…

Q: HINT (a) How much net work (in J) is required for the cheetah reach its top speed? 28166 (b) One…

A: According to question--- Given data --- Mass m = 59 kg. Initial speed u = 0 m/sec. Final speed v =…

Q: Q5. A stone weighing 1 kg is dropped from rest from a height of 4 mabove the ground. When it has…

A:

Q: A 40 kg woman ran with an average velocity of 9 m/s. What was her average KINETIC ENERGY? * 1…

A:

Q: what speed does a 1100 kg compact car have the same kinetic energy as a 20000 kg truck going 21 km/h…

A:

Q: Brakes on a car apply a constant force when applied. If av700 kg car is traveling at 20 m/s and…

A:

Q: With brakes fully applied, a 1310 kg car deccelerates from a speed of 79.0 km/hr. What is the work…

A:

Q: An athlete with a mass of 63.5 kg is in a cross country race, and at one instant he has a speed of…

A: Write down the values using a suitable variable. Here. m signifies athlete mass and v signifies the…

Q: A wowan jumps from a high wall and lands in soft sand. The sand exerts an average upward force of…

A: Work done by the sand is the product of the force on woman by the sand times the displacement of the…

Q: A pirate captain forces a prisoner to walk the plank. As the prisoner is walking, they have 50 J of…

A: Kinetic energy of prisoner = 50 J  Potential energy of prisoner = 100 * ( kinetic energy ) = 100 *…

Q: An electric engine in a 2.0 kg remote-control toy car has a power output of 4.0 W. How fast will it…

A:

Q: At what speed does a 1200 kg compact car have the same kinetic energy as a 17000 kg truck going 23…

A: Given: The mass of the car is 1200 kg. The mass of the truck is 17000 kg. The speed of the truck is…

Q: What is the velocity of a 2800 kg car whose kinetic energy is 250 J? O 13.36 m/s O 14.04 m/s O 17.43…

A: Given: The mass of the car is 2800 kg. The kinetic energy of the car is 250 J.

Q: For its size, the commonflea is one of the most accomplished jumpers in the animal world.A…

A: Given: Length of flea, L=2.0mm=2×10-3m,Height of single flea, H=20 cm=0.20 mMass of flea, m=0.5…

Q: A girl skateboards with a kinetic energy of 2543.2J. If the girl and skateboard have a total mass of…

A: Given,  Total mass = 110 kg Kinetic Energy = 2543.2J We need to calculate,  Speed =?

Q: A 1.2-kg toy train is moving with a speed of 2.0 m/s. What is its kinetic energy?

A: Mass of object is m=1.2 kg Speed of object is v=2 m/s Note: 1 N=1 kg·m/s2 1 J=1 Nm Find: Kinetic…

Q: What is the kinetic energy of a 900 kg car whose velocity is 16.67 m/s? O 15.0 kJ 125 kJ 12.5 kJ O…

A: Given Mass of car = m = 900 kg Velocity = v = 16.67 m/s We have to calculate the kinetic energy of…