Two metal balls are the same size but ball A weighs 20 N and ball B weighs 10 N. Ball B is dropped one second before ball A from the roof of a 100 m tall building to the sidewalk below. If the effects of air can be ignored, then at what point will ball A catch up to ball B.

Q: A 2.3-kg cart is rolling along a frictionless, horizontal track towards a 1.5-kg cart that is held…

A:

Q: M = mass of meter stick 5 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 m1 m2 Mass m1 = 300…

A: Given: m1=300 gm2=69 gM=129 g

Q: Molecules in air in the atmosphere are attracted by gravitational force of the earth. Explain why…

A: Molecule in air in the atmosphere are attracted by gravitational force of the earth.

Q: A girl, having a mass of 15 kg, sits motionless relative to the surface of a horizontal platform at…

A:

Q: Kyle, a 95.0 kg football player, leaps straight up into the air (with no horizontal velocity) to…

A: Given,mass of the football player, M = 95.0 kgmass of the ball, m = 0.430 kgheight above the ground,…

Q: A small puck is positioned on the top of a spherical surface. The puck is then released and gently…

A: Solution: Given that small puck is positioned on the top of a spherical surface and then released to…

Q: A 2100 kg asteroid travels through space at a constant 5 km/s in the +y direction. An alien…

A: In vector notation, The initial velocity of asteroid va→=5j^ km/s The initial velocity of spaceship…

Q: These cannonballs are all fired at the same angle. The masses are different as shown. The initial…

A: Momentum concept.

Q: A projectile is fired with a speed of 60m/s at an angle of 60 degrees from the ground surface. A…

A:

Q: A certain ping-pong ball has mass of 2.4 g and a terminal speed of 10.0 m/s as it falls through air.…

A: Given information: The air resistance is proportional to the square of the speed of the ball. The…

Q: 9 The bullet and block with masses and velocities shown in figure. If the bullet strikes the block,…

A: Given:

Q: On the surface of the Earth, a hammer and a feather are dropped from the same height at precisely…

A: When considering the motion of objects falling on the surface of the Earth, two factors come into…

Q: A gun is fired vertically at a 1.50 kg block of wood, which is at rest on a thin horizontal sheet…

A:

Q: The mass of a rocket when filled with fuel is 2M1 and completely unfueled is M1. The rocket ejects…

A:

Q: The diagram above shows a uniform semi-circular lamina of radius 2a , centre O. The distance of the…

A: SOlution: as given that semicircle with pint P at the top. To find the distancce between the CM and…

Q: A 2.7-kg cart is rolling along a frictionless, horizontal track towards a 1.8-kg cart that is held…

A: Momentum:  The momentum of an object is defined as the product of its mass and velocity.…

Q: One end of a cylindrical pipe has a radius of 2.2 cm. Water (density = 1.0 × 10³ kg/m³) streams…

A: Radius of the cylindrical pipe at one end, r=2.2 cm=2.2×10-2 m Speed of the water flow at this end,…

Q: foot down incon mig missi that pass over a pen post designing system al efense base. Radar at the…

A: As h=4.2 km =4200 m   And horizontal distance x= 8242.96 m Then distance travelled by Patriot Rocket…

Q: An iron sphere of mass 30 kg has the same diameter as an aluminum sphere of mass 10.5 kg. The…

A: Given :-mass of iron sphere (MF)=30 kgmass of iron sphere (MAl)=10.5 kg

Q: A baseball has a terminal speed of 42 m/s in air (ρ = 1.2 kg/m3). What would be its terminal speed…

A: Solution:We know that the terminal speed of an object in a fluid is given as:v= 2 mgρACwhere, m is…

Q: A ball of 150 g mass moves with 12 m/s and bounces back after hitting a wall with 20 m/s after a…

A: Given data: Mass (m) = 150 g = 0.150 kg Initial velocity (v0) = 12 m/s Final velocity (v) = 20 m/s,…

Q: A 1,400 kg car traveling at 31 m/s has a head-on collision with a 55,000 kg tank traveling at 5.0…

A: Given: The mass (m1) of the car is 1400 kg. The speed (v1) of the car is 31 m/s. The mass (m2) of…

Q: A 86-kg astronaut and a 1200-kg satellite are at rest relative to the space shuttle. The astronaut…

A: Write the given values with the suitable variables. m=86 kgM=1200 kgu=0.18 m/st=7.5 s Here, m is the…

Q: A helicopter stays aloft by pushing large quantities of air downward every second. What mass of air…

A:

Q: Two objects with different masses have the same momentum. The less massive object will have a…

A: solution is given as

Q: A 3.45 kg black ball traveling 4 m/s has a head on collision with a white one at rest. Using the…

A: Given data:The mass of the black ball is m1=3.45 kg.The initial speed of the black ball is v1=4…

Q: Two objects are shown with masses and velocities. The objects collide. 2 m/s -> 14 Kg 8 m/s 6 Kg

A:

Q: About 0.05 kg of blood is given a velocity of about 1 m/s upward in a time of t = 0.1s. Then the…

A: Given data: Mass of blood, m=0.05 kg Velocity, v=1 m/s Time, t=0.1 s Our question is o find the…

Q: Two automobiles traveling at right angles to each other collide and stick together. Skid marks show…

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Q: roblem 1: The eight ball, which has a mass of m = 0.5 kg, is initially moving with a v = 2.5i m/s.…

A: According to conservation of momentum Momentum before collision =momentum after collision

Q: Jason takes off across level water on his jet-powered skis. The combined mass of Jason and his skis…

A: Given data The combined mass of Jason and skis is m = 75 kg The forward thrust produced by the skis…

Q: Your mass is 92.6 kg, and the sled s mass is 17.1 kg. You start at rest, and then you jump off the…

A:

Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”