9#55
Q: If you hit somebody from behind, his head seems to snap backwards. Why?
A: Force brings about motion and changes in it. This force produce acceleration and hence the changes…
Q: 1.5 kg soccer ball is initially kicked at a speed of 10 m/s and eventually comes to rest on the…
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Q: How much impulse is needed to stop a 20 Kg cannon ball rolling at 5 m/s?
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Q: V=12 m\s 37 degree 2 m 6 m Rebounded ball is projected with 37 degree with velocity 12 m\s after…
A: Initially, the height of the point on the wall where the ball strikes is to be determined. To…
Q: If a cart of mass 240 grams moving at speed of 4.7 m/s hits an end-stop and rebounds at a speed of…
A: Given: Mass of cart m=240 g = 0.24 kg Initial speed Vi=4.7 m/s Final speed…
Q: 12. If a person walks into a wall and experiences an impulse of 60 Ns over a span of 0.7 seconds,…
A: Given Impulse= 60 Ns Time taken= 0.7 sec
Q: 2. A 2kg ball moving at 8m/s to the right overtakes a 8kg ball which is moving at 3m/s to the right.…
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Q: The impulse of the force exerted by wooden target in stopping an arrow with a speed of 400 m/s is -2…
A: Impulse exerted, I=-2kg-ms Initial speed of arrow, u=400m/s Final speed of arrow, v=0m/s Let mass of…
Q: 8.2 Evaluate the determinants (a) a h g h g bf f с (b) HOMT 1 2 3 -2 1 3 -3 4 -2 0 -110 -2 1-2 1
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Q: what fooce wrydd be needed to prodyce an arce elerention of 6 m/s?ing ball of moree to kg ?
A: Given data : Acceleration = a Mass = m To…
Q: A 5 kg ball travelling at 8 m/s hits with a 1.5 kg can at rest in a perfectly elastic collision.…
A: Step 1: Let the mass of the ball be denoted as m1 and let the velocity of the can be denoted by m2.…
Q: 3. When a falling object bounces, as it hits the ground its change in momentum and the impulse on it…
A: According to Newton's second law , the force on an object is the rate of change of its momentum…
Q: A car of mass 850 kg moves with a speed of 32 m/s and collides head on with a truck of mass 1300 kg…
A: in this question we use conservation law of momentum.
Q: 30 mm 60 mm 90 mm 30 mm 20 mm
A: In a given figure we calculate first moment area about y axis
Q: Many individuals with fall pollen allergies can point a finger at ragweed as the cause. If a single…
A: De- Broglie wavelength=λ=hP=hmV P=mV=momentum
Q: A 2-kg object moving to the right with a speed of 4 m/s makes a head-on, elastic collision with a…
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Q: An 8.77 kg bowling ball rolling at 4.74 m/s bumps into a padded guardrail and stops. What is the…
A: Formula of momentum is as follows; P=mv 1)…
Q: An object of mass 8 kg moving at a speed of 12 m/s collides with a ball of mass 7 kg moving in the…
A:
Q: An unstable Uranium atom is hit with a neutron which causes it to break into 2 smaller atoms. What…
A: The process by which heavier unstable nucleus is split into two lighter nuclei upon collision with a…
Q: 3-67. If - 100 N, 5 - 120 N, and 5- 80 N, determine the magnitude and coordinate direction angles of…
A: Given: F1=100N,F2=120N And F3=80N To find: The magnitude and coordinate direction angles of the…
Q: A 0.5 kg ball travelling 1.17 m/s [E] strikes a 1.5 kg ball which is stationary. If the final…
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Q: A 5 kg steel ball moving 8 m/s, collides off center with a stationary 2 kg ball and then the 2 kg…
A: Given Data: Ball 1 mass, m1=5 kg Ball 2 mass, m2=2 kg Ball 1 initial velocity, u1=8 m/s Ball 2…
Q: 8. The rate of change of product of mass and velocity with respect to time is defined as the: A.…
A: Product of mass and velocity is called momentum . And the rate of change of momentum with respect to…
Q: A 60 kg boy on roller skates moves with a speed of 5 m/s. He runs into a 45 kg girl on skates,…
A: Given that,Mass of boy : M = 60 (kg)Mass of girl : m = 45 (kg)Speed of boy before collision : v1 = 5…
Q: 7) Can an object have energy without having momentum? Explair An object can have energy without…
A: Yes , an object can have energy without any momentum . The object having zero momentum…
Q: 20 A. A 35.09 bullet fravelling ot 325.0mis. bullet travelling ot 325.0mis skrifes dnd d be comes a…
A: The linear momentum remains conserved in collision. Using conservation of linear momentum Pinitial =…
Q: IP The magnetic flux through a single-loop coil is given by the figure (Figure 1). ▶ Part A Part B…
A: Its a question from the Faraday & Lenz's law according to which emf induced in a coil must be…
Q: How much impulse is needed to stop a 25kg bowling ball rolling at 9m/s?
A: The impulse need to stop the bowling ball is
Q: How much impulse is produced if a ball is thrown with a force of 80 N and travelled for 2 minutes
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Q: A 8 kg ball is moving forward at 7 m/s and it runs into a second ball with mass 5 kg also moving…
A: In question, it's not mentioned that it's an inelastic or elastic collision but I will assume it to…
Q: 25. Suppose a cart with mass m and low-friction wheels is moving to the right at an initial speed of…
A: The given values with suitable variables are listed below. Here, m1 denotes the mass of a light…
Q: When a missile is fired from a tank it gets a momentum of 2000 kg m/s. If the velocity of the…
A: Given, Momentum of the missile = 2000 kg-m/s Velocity of the missile = 50 m/s
Q: A rifle shoots a 10 gram bullet at a speed of 1000 m/s. If the rifle weighs 5 kg, what is the recoil…
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Q: An 8.66 kg bowling ball rolling at 1.5 m/s bumps into a padded guardrail and stops. What is the…
A: Given values: Mass,m=8.66 kg Velocity,v=1.5 m/s
Q: 15 - According to the numerical product between the momentum of the colliding particles, the…
A: Statement is false or error.
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