When a rifle is being fired at a distant target, why isn't the barrel alligned so that it points exactly at the target?

Q: A marching band consists of rows of musicians walking in straight, even lines. When a marching band…

A: Given, Beth travels a distance s during time ∆t

Q: How does the thickness of paint sprayed on a surface change when the sprayer is held twice as far…

A: If the sprayer is kept at a distance twice as far, radius of the circle painted would also be twice…

Q: If I had a string and a weight on the end of the string, and I swung it over my head so there was…

A:

Q: Why does the free-fall acceleration always point down?

A: Free fall acceleration

Q: A cannon on Earth (located at the origin) launches a projectile, of mass m, horizontally at height y…

A: Given:mass of projectile, minitial velocity, +vo only in x directionconstant wind force, -Fw  along…

Q: What is a projectile?

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Q: What effect would air resistance have on the range of a projectile?

A: When a projectile is thrown into the air, the air resistance will oppose the motion of the…

Q: 9 A bullet is fired horizontally from a gun. At the same time a similar bullet is dropped from the…

A: Since, both bullets have zero initial vertical velocity,Hence both will reach the ground at the same…

Q: What is the velocity of the silver sphere at the moment it hits the ground? (As= ‒‒‒‒‒‒..

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Q: After firing, the velocity of the rifle (relative to the ground) is:

A: Using concept o conservation of linear momentum MU  +mu= MV+ mv M= mass of gun= 6.1kg m= mass of…

Q: If we went outside to tennis courts again, what would you do to achieve the greatest range for your…

A: Greatest range

Q: For a typical foul shot, the rim center is 4.2 m horizontally and 1 meter above where the ball is…

A:

Q: The center of gravity coincides with the center of mass:

A: Center of mass is the point where mass distribution of the object equal in all directions, and it…

Q: A gun has a muzzle speed of 80 meters per second. What angle of elevation should be used to hit an…

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Q: What exactly is a projectile?

A: Projectile is an object upon which the only force acting is gravity. There are different kinds of…

Q: The center of gravity coincides with the :center of mass

A: The answer is (b) .

Q: A cricket ball and a table tennis ball are moving with the same velocity. Which is easy to catch?

A: When a ball is stopped by us, its momentum is reduced from a certain value to zero in a certain…

Q: How does changing the firing angle affect the projectile motion of an object?

A: The firing angle plays a very important role in the maximum height attained and the length covered…

Q: A boxer moves his head backward just before receiving a punch . Why?

A: A boxer moves his head backwards in order to increase the time interval of the punch to touch him.…

Q: where will the ball change its direction?

A: Bernoulli's equation: Bernoulli's equation is valid for ideal fluids: those that are incompressible,…

Q: Which projectile has the greatest flight time?

A: The time of flight of a projectile is given by tf = 2usinθg, where u = the initial velocity g =…

Q: A rifle that shoots bullets at 445 m/s is to be aimed at a target 41.0 m away. If the center of the…

A: Given:-  Velocity = 445 m/s Target = 41m Find high above the target must the rifle barrel be pointed…

Q: O when it leaves the gun? O a. 5 m/s Ob. 20 m/s O c. 10 m./s cm. How last will a Gar

A: Spring constant = K = 250 N/m Compressed length = x = 5cm = 0.05 m Mass = m = 0.025 kg

Q: Find the horizontal distance from the equilibrium position at which the dart hits the ground.

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Q: In which direction a projectile must be launched and why??

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Q: Would you expect your height to be different depending upon the time of day? Why or why not?

A: In the day time, people usually work or being standing or seating. Hence, the center of mass of a…

Q: A projectile is fired into the air at an angle of 23 degrees. At what other angle would this…

A: Thus the range will be same for complementary angles.

Q: You are attempting to find the range of a cannon by shooting a cannonball at different angles. The…

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Q: Is the motion of the rider for each angle of inclination uniformly accelerated? Why or why not?

A: For each of angle of inclination, the speed of the rider changes. Hence, it is not a uniformly…

Q: Discuss all the factors that affect the range of a projectile.

A: The data is given . To find = Factors affecting range

Q: What is a projectile? Give two examples?

A: A projectile is any object with an initial non-zero horizontal velocity, whose acceleration is due…

Q: projectile is fired from

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Q: What is the limitation of the trajectory of an idealized Projectile model?

A: When there no other force acts on the motion of any object except the gravitational force, then this…

Q: What can you conclude about the effect of varying launch angles to the properties of a projectile?

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Q: Do every projectile follows same path?

A: In projectile motion all objects will follow same path. In projectile motion, all the objects follow…

Q: What is the trajectory of an idealized Projectile?

A: Trajectory of an idealized projectile is parabola. NOTE: For ideal projectile motion we assume that…

Q: "How can a projectile "" fall around the Earth""?"

A: As the Earth is curved in shape, its shape supports the motion of the projectile around it. The…

Q: The linear velocity is _________ with the radius of the circular path where the object is in that…

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Q: Show that a projectile reaches three-quarters of its maximumheight in half the time needed to reach…

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Q: A ball rolls off a perfectly level table at 4m/s.   It takes 0.600s to hit the floor.  The height of…

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Q: The moon is a fast moving projectile. True or False?

A: Projectile motion Object which is thrown into the vacuum  is denoted as a projectile motion. After…

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?”