Find the kinetic energy of the objects in the scenarios. A cheetah weighing 4.80×10^2 N chases a gazelle at a speed of 30.1 m/s A truck weighing 2.04 short tons speeds down the road at 71.1 mph. An asteroid of mass 2.99×10^17 kg buzzes the Earth at a speed of 11500 mph.

Q: A bullet of mass (20 g) is found to pass two points (30 m) apart in a time interval of (4 sec).…

A: Given Mass of bullet (m)=20 g=0.02 kgDistance between two point (D)=30 mTime taken (t)= 4s

Q: jennie throws her phone upward that weighs 55 newtons. the phone travels at a speed of 4 m/s and…

A:

Q: The first car has twice the mass of a second car, but only half as much kinetic energy. When both…

A: Let , The first car mass = m1 second car mass = m2 Kinetic energy of 1st car = K1 Kinetic energy of…

Q: A 70.0-kg athlete leaps straight up into the air from a trampoline with an initial speed of 8.9 m/s.…

A: The 70 kg athlete jumps off the trampoline with an initial velocity of 8.9 m/s. The force acting on…

Q: Helen asked her mom to take her to the play ground near her house. She loves to scare her mom by…

A: Mass of Helen m=20.4 kg Helen is initially at a height h=3.30 m Since she starts from rest her…

Q: A student at another university repeats the experiment you did in lab. Her target ball is 0.860 m…

A:

Q: A car with a mass of 878 kg is traveling in the positive x-direction. At a certain moment, the car…

A:

Q: Which has more kinetic energy: a 0.0012-kg bullet traveling at 395 m/s or a 6.0  107-kg ocean liner…

A: Hey, since there are multiple questions posted, we will answer first question. If you want any…

Q: In the figure provided, a 31.0 g particle is released from rest at x = A. What is the speed of the…

A:

Q: Which has more kinetic energy: a 0.0012-kg bullet traveling at 395 m/s or a 6.0  107-kg ocean liner…

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: A 9.50-g  bullet has a speed  of 1.30 km/s, (a) What is the kinetic energy in joules? (b) What is…

A: mass of bullet (m) = 9.50 gm   or    9.5010-3 Kgspeed of bullet (v) = 1.30 km/s  or   1.30103…

Q: Olivia fires an arrow at a bird sitting 20m up in a tree. The arrow has a mass of 0.010 kg and…

A: Given height of the bird from the ground = 20m  mass of an arrow = m = 0.010 kg  initial bow speed =…

Q: kinetic energy acquired by the car

A:

Q: A7.9 kg object is moving in the positivex direction. When it passes through x- 0, a constant force…

A: Given Data The mass of the object is:m=7.9 kg The kinetic energy is:ko=24 J The object moves the…

Q: A 67 kg student traveling in a car with a constant velocity has a kinetic energy of 1.8 104 J. What…

A: Given that,Mass of student : m = 67 (kg)Kinetic energy : KE = 1.8×104 (J)Here we need to find the…

Q: The only force acting on a 3.0 kg body as it moves along the x axis varies as shown in the Figure.…

A:

Q: A father racing his son has 1/3 the kinetic energy of the son, who has 1/3 the mass of the father.…

A:

Q: A stone is thrown horizontally from top of a 7.2m high building with a speed of 4.2m/s. How far from…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: Refer to the figure below. What is the velocity of the roller coaster at point C? Refer to the…

A:

Q: A net force along the x-axis that has x-component Fx=−12.0N+(0.300N/m^2)x^2 is applied to a 3.80 kg…

A:

Q: Q17. The potential energy of a 0.20-kg particle moving along the x axis is given by U(x) = (8 * 2 -…

A: 17. Given that,  Mass of particle, m = 0.2 kg Potential energy, U(x) = 8x2 - 2x4 Distance, x = 1m

Q: A 9.00 g bullet has a speed of 1.10 km/s. Part A What is its kinetic energy in joules? ▸ View…

A:

Q: How fast is the branch moving before it hits the ground?

A:

Q: A physics student monitors the speed and kinetic energy of a 0.48 kg traveling object. At a time of…

A:

Q: At a carnival, you can try to ring a bell by striking a target with a 10.1-kg hammer. In response, a…

A: Since 24.8% of the hammer's kinetic energy goes into raising the gravitational potential energy of…

Q: Refer to the figure below. What is the velocity of the roller coaster at point C? Refer to the…

A:

Q: Imagine you have to choose between being struck by an arrow or a bowling ball, each with the same…

A: given data arrow has a mass of ~100 g travels 100 m/s. An average mass for a bowling ball is 7.25 kg…

Q: A bride tosses a bouquet of flower through the air with a speed of 1.8 m/s, and it smacks one of her…

A: Mass of bouquet is Speed is Note:Find:Kinetic energy of bouquet.

Q: A 100 gram body falls 1500 mm to the surface of the earth. What is its kinetic energy as it hits the…

A:

Q: A body of mass 11 kg projected vertically upward from the ground has a potential energy of 320 J and…

A:

Q: A machine gun fires 360 bullets per minute. Each bullet moves with a velocity of 600 ms^−1 . If the…

A:

Q: the same kinetic energy as the son. What are the original speeds of (a) the father and (b) the son?…

A: Kinetic energy = (1/2) mv2

Q: Peter saw Lara Jean running on the school's track field. He accelerates from rest to 6.6 m/s within…

A:

Q: A 1 kg ball is held motionless at a height of 1.54 m. It is then released to fall to the ground. How…

A: Known data, mass of the ball m = 1 kg Height of the ball, from where it is released h = 1.54 m…

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

A: Given: The height which can be achieved by person is h=60 cm. The mass of person is m=65 kg. The…

Q: 12. A shot-put is raised 4.00 m off the ground and has a potential energy of 7 050 J. What is the…

A: 12)Given,           Potential energy(PE)=7050J           height (h) =4mwe know that accelaration due…

Q: Car A has a mass of 1000 kg and a speed of 30 m/s. Car B has a mass of 2000 kg and a speed of 15…

A: We know thatK.E=12mV2HereK.E=Kinetic energym=mass of objectV=speed of object

Q: Assume that the force of a bow on an arrow behaves like the spring force. In aiming the arrow, an…

A: To Find: Speed of the arrow immediately after it leaves the bow.

Q: What is the Kinetic Energy ? Cart Mass, mc . 284 kg Angle, θ 49 degrees Distance, d . 75 m…

A: Mass of cart (mc) = 0.284 kg average velocity (v) = 1.466 ms