• A dolphin jumps with an initial velocity of 12.0 m>s at an angleof 40.0° above the horizontal. The dolphin passes through thecenter of a hoop before returning to the water. If the dolphin ismoving horizontally when it goes through the hoop, how highabove the water is the center of the hoop?

Q: A crazy person jumped off a 100-meter sea cliff because of climate change (it's hot, you know). He…

A: Given :-    Height of the cliff = 100 m    Velocity at which he is launced up in the air Vo=20ms…

Q: Solving Anton claims that he can throw a dart at a dartboard from a 5.0cm wide bull's-eye if he…

A: 1)  First We find the time required to travel a distance 2 m with the velocity 20 m/s and a bull's…

Q: To start an avalanche on a mountain slope, an artillery shell is fired with an initial velocity of…

A: Given data The initial velocity is given as ui = 300 m/s. The angle of inclination is given as…

Q: A soccer player decides that he can make this goal to win the game so he kicks the ball with a speed…

A: launch speed = 8.5 m/sangle = 25 degree above the horizontal

Q: A rocket is fired at a speed of 76.0 m/s from ground level, at an angle of 47.0° above the…

A: Given Initial Speed u = 76.0 m/s Angle of projection θ = 47.0o Height of the wall h = 14.2 m Range R…

Q: A 1 m 5 m B E SR 3 FIGURE P3-74 is W M 50 ab Reconsider Prob. 3-74. Using appropriate soft- ware,…

A:

Q: During baseball practice, a player hits a very high fly ball and then runs in a straight line and…

A: In this case, the batter hits a ball very high. Then he runs in a straight line and catches that…

Q: 1. If A= 121 – 16j ana B = -241 + 10j what is the direction of the vector = 2Ã-B' +21° -41° +49°…

A: Given data:

Q: 2) FIGURE 2 shows Adam throws a ball withi an initial velocity 12 ms" at an angle of 50 to the…

A: Initial velocity of projectile thrown by Adam is,v=12ms at 50° with Horizontalg=-9.8 ms2

Q: When sailing, the wind feels stronger when you sail upwind (“beating”) than when you are sailing…

A: The flowing wind applies a force (F) on the person of mass m that is given by Newton’s II law of…

Q: A rocket is fired at a speed of 65.0 m/s from ground level, at an angle of 48.0° above the…

A: The initial speed of the rocket, v0=65 m/s   The launch angle, θ=48°   The distance between the…

Q: A projectile is fired from the level of  ground at an angle of 60.0° above the horizontal with the…

A: Initial speed, u = 196 m/s Angle = 60.0°

Q: In the 1970 National Basketball Association championship, Jerry West made a 60 ft shot from beyond…

A: The range of basketball is 60 ft, the height of basket is 10 ft from the court wall and the angle of…

Q: A projectile is fired with an initial speed of 60.8 m/s at an angle of 37.7 degrees above the…

A: Given: The velocity is v=60.8 m/s. The angle is θ=37.7°. The expression for maximum height is:…

Q: Georgia, standing on the back of the pick-up truck, wants to throw her last piece of balut to her…

A: Given data The initial separation is d=2 m The initial velocity is u=0 m/s The time of first motion…

Q: Is it possible for two vectors of different magnitudes to add to zero? Is it possible for three…

A: The two vectors of different magnitudes will not add to zero. The vector must have equal magnitude…

Q: Can a vector have zero magnitude and a nonzero component? If no, why not? If yes, give an example.

A: The magnitude of a vector is the square root of the sum of the squares of the components of the…

Q: 2) if A- 2ax + Gay - 3ax and B=- 3ax -4ay - 5ax. find (a) a uni vector in the ditection oT A-Bi(b)…

A: A=2ax+6ay-3ax B=-3ax-4ay-5ax

Q: Consider two vectors: A = 31-jand B = -21-4j calculate A + 2B, A- B, magnitude of à + 2B, and…

A:

Q: A fire hose ejects a stream of water at an angle of 36.9 ° above the horizontal. The water leaves…

A: We know that the highest point of projectile is the mid point of its horizontal range.  If we place…

Q: You and your dog go for a walk to the park. On the way, your dog takes many side trips to chase…

A: In Physics, there are two things, one is displacement and the other is the total distance traveled.…

Q: - The vectors from the Otigin to the AB and Baxtaz and points axtay gax-3ay -4a2, are…

A:

Q: For a projectile lunched with an initial velocity of v0 at an angle of θ (between 0 and 90o) , a)…

A: a) Analyze the following diagram. The time taken by the projectile to reach the maximum height can…

Q: - Draw a coordinate system and on how the three vectors (A, B and C). (c) what are the magnitude and

A: given  A = 2i  + 3j B = 2i - 2j C = -A -2B WE USE VECTOR ADDITION SIMPLY

Q: 5- Find the resultant and directions of these vectors A1-4i-3j A2=- 3i+2j A3=2i-6j A4=7i-8j As=9i+j

A:

Q: The figure shows the path taken by a drunk skunk over level ground, from initial point i to final…

A: Given : d1 = 4.40 m, d2 = 7.10 m, d3 = 13.0 m and θ1 = 30.0°, θ2 = 51.0°, θ3 = 77.0°

Q: 2. Find out the projection of vector B=2i-j+3k on A=-1-3j +Akif B=2A

A: In this question  we determine  projection vector.

Q: A projectile is fired with an initial speed of 75.2 mps at an angle of 34.5 degrees above the…

A:

Q: 4. A cannon fires a projectile perfectly horizontal with initial speed of v; = 20 ms-1. The cannon…

A:

Q: A fire hose is projected at angle to extinguish the fire. The angle of projection is 70 degrees to…

A: GIVEN : θ=70°x=d=4.7 m vix=7m/s Initial velocity along horizontal : vx=vcosθ    =vcos70°    =0.342v…

Q: 2-86. Determine the length of the connecting rod AB by first formulating a Cartesian position vector…

A:

Q: A golf ball is hit with an initial velocity of 55.0 m/s at an angle of 32 degrees above the…

A: If v is the initial velocity, θ is the projection angle, g is the acceleration due to gravity, the…

Q: A projectile is fired from ground level at an angle of 8° with the horizontal. The projectile is to…

A: Given in question - Angle with horizontal(θ) = 8°…

Q: In the latest Indian Jones film, Indy is supposed to throw a grenade from his car, which is going…

A: A   The relative velocity of the enemy’s car with respect to the Indian’s car is

Q: In a live fire exercise, an Army artillery team fires an artillery shell from a howitzer (a…

A: Angle of projectile:   Velocity of the projectile: v = 370 m/s Time of projectile: t = 39.0 s

Q: from the horizontal. ne baseball player A hits the baseball at When the ball is directly overhead of…

A:

Q: orizontal with an initial speed of 75 m/s. The hill can be approximated by a plane sloped at…

A: Given:- A projectile is shot at a hill, the base of which is R =  300 m away.   The projectile is…

Q: A projectile is launched with an initial speed of 30 m/s and at an angle of 60 degrees with the…

A: Data Given ,  Initial velocity ( u ) = 30 m/s Angle ( θ ) = 60°

Q: A fire hose ejects a stream of water at an angle of 38.6 ° above the horizontal. The water leaves…

A: Given that the water behaves like a projectile. speed of the water v = 22.6 m/s ejects a stream of…

Scalars and Vectors

Scalars and Vectors are the classification of physical quantities that are used to denote various terms in physics.