A curling player with a mass of 50kg, slides at 2m/s due East on a frictionless ice rink while holding onto a 10kg curling stone The curler then launches the stone along the ice due North at a speed of 3m/s. a. What is the velocity of the curler (magnitude and direction) after releasing the stone? b. What happens to Kinetic Energy (of the system) during this event? Explain.

Q: force

A: Given: Mass is m=20 kg Acceleration is a=30 m/s2 Note: 1 N=1 kg·m/s2 Find: Force required to…

Q: You pull upward on a stuffed suitcase with a force of 140 N, and it accelerates upward at 0.770…

A:

Q: A 10 kilogram toy car is pushed by horizontal force of 25 newtons . The car 5 meters because of this…

A: Given ,         mass of the car (m)= 10 kg         horizontal force (F)= 25 N         car moved the…

Q: What force is required to give a mass of 10 kg an acceleration of 50 m/s2

A:

Q: 46. Neglecting air resistance and taking g as 10 m s², the height fallen by a fruit from rest to a…

A: Recall Vf2=Vi2+2ghWhere h is required heightVf=10m/s Vi=0

Q: Suppose that a 1,328 kg car is traveling at 25 m/s. The car brakes can apply 6,435 N of force. What…

A: First, we need to calculate the deceleration caused due to the braking force. Then we use the…

Q: 4. Why do astronauts in orbit seem to float?

A:

Q: What force would be needed to produce an acceleration of 2 m/s² in a ball of mass 4 kg ?

A: Acceleration (a) = 2m/s2 mass (m) = 4 kg Force required (f) = ?

Q: What constant force is required to accelerate a 1000 kg car from rest to 40 m/s over a distance of…

A:

Q: If a baseball (m=.450 kg) is hit with a force of 1700 N, what is the baseball's acceleration  in…

A: Write the expression for Newton’s second law

Q: 3,150-kg truck accelerates from 4.2 m/s to 7.8 m/s in 14 s. Which describes the average force needed…

A: here,v2=7.8msv1=4.2 mst=14 smass,m=3150 kg

Q: Sasha rubs a green balloon on her sweater. When she puts the green balloon near a red balloon, the…

A: Similar charge repel each other and opposite charge attract each other.

Q: How large a net force is required to accelerate a 1,703-kg SUV from rest to a speed of 12.9 m/s in a…

A: Net Force required....Fnet= 624.149 Newtons

Q: State the four basic forces.

A: Four basic Forces are- Gravitational force Electromagnetic force Weak nuclear force Strong nuclear…

Q: A ball is dropped from the top of a building. The gravitational force is 10 N down, and the force of…

A:

Q: What states that "every object in the universe attracts every other object"? a. Universal Law of…

A:

Q: A 2000-kg car traveling at 21 m/s takes 51 m to stop under full braking.  The same car under similar…

A:

Q: A block is pushed so it speeds up. How does the Force of the Hand on the Block and the Force of the…

A:

Q: What do we get by the product of mass and velocity? a. Momentum O b. Force O c. Energy O d. Inertia

A: We know that Force = mass x acceleration inertia is related to mass as well. energy will have a unit…

Q: A car of 1000 kg is travelling at a speed of 36 km/h. The driver suddenly brakes and the car finally…

A: Given data:  Mass (m) = 1000 kg Initial velocity (u) = 36 km/h Final velocity (v) = 0 Distance (d) =…

Q: force of 700 N is needed to accelerate a truck from rest to 90 km/h in 40 s on a level road. What is…

A:

Q: The force applied on a body of mass 100 kg to produce an acceleration of 5 m/s2 is

A: Given Data : The mass of the body is given as m = 100 Kg. The acceleration of the body is given as…

Q: When more than one force acts on an object, the forces combine to form a?

A: The below diagram represents more than one force acting on an object. In the first diagram, two…

Q: If a baseball (m=.450 kg) is hit with a force of 1700 N, what is the baseball's acceleration  in…

A: Given: mass of baseball, m = 0.450 kg Force with which it is hit, F = 1700 N

Q: What force would be needed to produce a ball of mass 12 kg ? an acceleration of 6 m/s² in

A: Given data as per question mass =  12kg acceleration = 6m/s2

Q: A pulley is used to: change the direction of the tension force reduce the tension force change the…

A:

Q: What is the amount of force required to accelerate a 20 kg object to 5 m/s²?

A:

Q: Your father pushed a 2kg box across the floor with a net horizontal force of 10 N. What is the…

A: Given data:  Mass (m) = 2 kg Net horizontal force (Fnet) = 10 N Required: Acceleration (a)

Q: If it takes a human cannonball 1.8 s to exit a 1.9 m long cannon and the average net force acting on…

A: Given data -Net Force acting on the human is ( F ) = 159 N distance covered by the human canonball (…

Q: xplains the physical reasons why the speed of a vehicle must be moderate and commensurate with the…

A: The speed of a vehicle must be moderate and commensurate with the weather and road conditions for…

Q: car accelerates

A: 6000 N

Q: A 790 kg car accelerates from 17.3 m/s to 24.8 m/s in 3.6 s. What force was applied to the car?

A: Mass of the car=790kg Initial Velocity o the car, v1=17.3 m/s Final velocity of the car, v2=24.8 m/s…

Q: What problems are there with the statement “A force is a push that acts through a touch”?

A: Given statement “A force is a push that acts through a touch”

Q: When something moves in a circle with constant speed

A: For a circular motion we define angular velocity = radius times the linear velocity.  Angular…