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A: GivenA→=10 i^+5 j^-3 k^B→=5 i^+2 j^+ k^
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A: Distance=0.304m Mass=9.50gm
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- A seagull can fly at a velocity of 9.00 m/s in still air. (a) If it takes the bird 20.0 mm to travel 6.00 kin straight into an oncoming wind, what is the velocity of the wind? (b) If the bird turns around and flies with the wind, how long will it take the bird to return 6.00 km?Aaron Rodgers throws a football at 20.0 m/s to his wide receiver, who runs straight down the field at 9.4 m/s for 20.0 m. If Aaron throws the football when the wide receiver has reached 10.0 m, what angle does Aaron have to launch the ball so the receiver catches it at the 20.0 m mark?A particle travels m a circular orbit of radius 10 m. Its speed is changing at a rate of 15.0m/s2 at an instant when its speed is 40.0 m/s. What is the magnitude of the acceleration of the particle?
- Dimensions What frame or frames of reference do you use instinctively when driving a car? When flying in a commercial jet?A soccer ball is kicked at an angle of 35o and gained an initial velocity of 40 m/s.1. Determine the velocity along x. 2. Determine the range of the projectile. 3. Determine the maximum height the ball will reach. 4. Determine the total time of flight. 5. Determine the x and y position and velocity at t= 1.5 s.wHillary clintun steris at her prison celldoor and walks 20m tD the ea t followed by lom to the north, then 5m west to reach thhe mess hallewhat was her displacement tor this walle in magnitule- dincetion for mat? A) 26,9 m at 33,7 N of E BIS.4m at 21,8 N of w ois.om at 33,73N of E D 8,0m at 2),80 N of w D18.0m mat 21.o Nof E
- A projectile is fired from the top of a cliff 100m high with a velocity of 450 m/s directed at 45 degrees to the horizontal. Based from this problem, find the value of vy. A. 350.500m/s B. 450m/s C. none D. 318.200m/s E. 275m/sTime of flight is changing when the angle is increasing by: O a Staying the same O b. Remaining constant O c. Decreasing gradually O d. Increasing O e. Decreasing The meter tape is used to measure projectile's time of flight. Select one: O True OFalse1110. In Fig. P-1109, a ball thrown down the incline strikes it at a distance s 254.5 It. If the ball rises to a maximum height h 64.4 ft above the point of release, compute its initial velocity vo and inclination 6. Ans. v. = 80.5 ft per see; 0= 53.1° FIG. P-1109 and P-1110.
- Situation t1- A projectile is fired with an imitial velocity 4 320% at an argle 4 sd with the horizontal. Reg'd. a-Position y A ard h, at the 'erd of the projectile 6-Velscity ard direction 4 the tion af the erd f 105. Vo-320m/sA. 53.76 s D. 64.87 s B. 48.63 s E. 65.66 s C. 60.00 s F. 74.72 s 1--1 IXXKI Within the jet stream, a plane flies 200 m/s at 18° South of West. The jet stream itself is moving 120 m/s due North. Find the velocity of the jet relative to the ground. 6. magnitude A. 198.9 m/s B. 163.9 m/s 131.4 m/s 201.5 m/s 266_m/s C. 312.7 m/s 1--1 direction A. 18.5° N of W D. 17.01° N of W B. 23.12° N of W E. 29.54° N of W C. 22.93° N of W F. 33.97° N of W 1--1 IVOLG A river has a 6.5 m/s current due East. With respect to the water, the boat's velocity is 16 m/s at 84° north of east. What is the velocity of the boat relative to the Earth? (State the angle relative to due East.) 8. magnitude 17 99 m/s D 2762 m/s MacBook Pro 7. DEE E.Question 2An object is projected upward with an initial velocity of 4000 m/s at an angle of 45o to the ground. a). what is the maximum height reached by the object? b). how long does it take to reach that height? c). At what distance from the point of projection will the object fall? d). which angle of projection will result in half the range covered in (c)?