Ferns spread spores instead of seeds. One species accelerates 1.4 x 10-6 gram spores to a 4.0m/s ejection speed over a duration of 0.75 x 10-3 sec. What impulse is provided to the spores? What average total force do they sustain?

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Q: A 3.00-kg steel ball strikes a wall with a speed of 10.0m/s at an angle of 60.0o with the surface.…

A: Given Information:- Mass of the steel ball is m=3.00 kg Initial speed of the ball is v=10.0 m/s…

Q: In a ballistic pendulum demonstration gone bad, a 0.55 g pellet, fired horizontally with kinetic…

A: Mass of the pellet  (m) =0.55gm =0.00055 kgKinetic energy of the pellet = 12mu2=3.35JThe velocity of…

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A: Given: The mass of the particle is 2 kg. The initial velocity of the ball is 4 m/s. The final…

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Q: As shown in the figure below, object m, = 1.65 kg starts at an initial height h = 0.332 m and speed…

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Q: Two equal asteroids in the meteorite belt between Mars and Jupiter collide violently. Asteroid A was…

A: Given : Initial velocity of asteroid A before collision is 40 m/s

Q: A 2.0-g particle moving at 5.4 m/s makes a perfectly elastic head-on collision with a resting 1.0-g…

A: Given a 2.0-g particle moving at 5.4 m/s makes a perfectly elastic head-on collision with a resting…

Q: A spacecraft is separated into two parts by detonating the explosive bolts that hold them together.…

A: Write the given values with the suitable variables. m1=1500 kgm2=1800 kgJ=320 N s Here, m1, m2, and…

Q: Cuttlefish use jet propulsion to move rapidly. To do this, a cuttlefish fills its muscular mantle…

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Q: A 7.0 × 10^-17 ?? particle, moving with a speed of 1.37 × 10^6 ?/? collides with a 2.0 × 10^-16??…

A: Given Data : The mass of the first is given as mA=7×10-17 Kg The velocity of the first particle is…

Q: A 3.00-kg steel ball strikes a wall with a speed of 10.0m/s at an angle of 60.00 with the surface.…

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Q: The same two carts with mA = 4mB and initially at rest, are subjected to the same force %3D acting…

A: Write the expression for the impulse-momentum theorem for the final kinetic energy of the cart of…

Q: An 78-kg man and a 44-kg woman pair figure skating team are gliding across the ice at 7.1 m/s,…

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Q: During a neighborhood baseball game in a vacant lot, a particularly wild hit sends a 144 g baseball…

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Q: A ball of mass 0.165 kg is dropped from rest from a height of 1.25 m. It rebounds from the floor to…

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Q: You want to estimate from how high if it is safe to jump onto a concrete floor. For this, you…

A: Given data: Jumping height from chair is, h=0.50 m. Position shift during landing at first time is,…

Q: Two asteroids of equal mass in the asteroid belt between Mars and Jupiter collide inelastically. The…

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Q: Two objects A and B with masses of 1.8kg and 4.2kg move in a frictionless horizontal surface. Object…

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Q: A 7250 kg transport truck passes a sports car at 115 km/h. The truck suddenly loses a 45.0 kg wheel,…

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Q: Two Bowling balls are moving toward each other and collide. Assume elastic collision. M = 2 kg…

A: Write the expression for final velocity for elastic collision

Q: A 25.0 g ball is fired horizontally with initial speed v_0 toward a 110 g ball that is hanging…

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Q: Two atomic nuclei A and B (mA = 5 kg, mB = 2 kg) undergo a perfectly elastic collision. A’s initial…

A: Mass of the Nuclei A is mA = 5 kg Mass of the Nuclei B is mB = 2 kg Initial velocity of Nuclei A is…

Q: If a  Wrecking ball has a momentum of  [X=+0.025, y-0.125] Ns What is the formula being used to…

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Q: A billiard ball, A, with unknown mass, travels horizontally at ?? = 2.50 m/s when it strikes another…

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Q: Water falls without splashing at a rate of 0.220 L/s from a height of 3.40 m into a 0.590-kg bucket…

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Q: Consider the two pucks shown in the figure. As they move towards each other, the momentum of each…

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Q: Problems 1. A 3.7kg Superball hits the floor with a speed of 6m/s, and it bounces back up into the…

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Q: 2. You want to estimate from how high if it is safe to jump onto a concrete floor. For this, you…

A: stiff legs :mass = 60 kg d = 0.75 cm using conservation of energy to find the velocity of impact…

Q: A 2.0-g particle moving at 6.4 m/s makes a perfectly elastic head-on collision with a resting 1.0-g…

A: Given: Masses m1 = 2 g, m2  = 1 g Velocities before elastic collision u 1 =6.4 m/s, u2 = 0

Q: You have two vectors: A = 7.27î + 3ĵ and B = 4î – 0.95ĵ + 12k. If vector A represents an initial…

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Q: In the overhead view of the figure, a 460 g ball with a speed v of 4.5 m/s strikes a wall at an…

A: Find the impulse acting on the ball and average force exerted on the ball.

Q: Taking the density of air to be 1.29 kg/m^3, what is the magnitude of the linear momentum of a cubic…

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Q: Jaycee and Jonah are skating on an ice rink. As Jaycee approaches Jonah from west, he pushed her…

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