A fighter plane moving 233 m/s horizontally fires a projectile with speed 59 m/s in a forward direction 30.0° below the horizontal. What is the speed of the projectile with respect to a stationary observer on the ground?
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- A 238U nucleus is moving in the x direction at 5.0×105 m/s when it decays into an alpha particle (4He) and a 234Th nucleus. If the alpha particle moves off at 22 degrees above the x axis with a speed of 1.1×107 m/s, a) What is the speed of the thorium nucleus and b) What is the direction of the motion of the thorium nucleus ( degrees clockwise from the x axis)?Sofia is playing a game with her friend, Kara, where she throwsM&M candies at Kara and Kara catches the M&M’s in hermouth. They begin standing 1.75 meters apart from eachother. Sofia throws the M&M at an angle of 60 degrees abovethe horizontal with a speed of 4.13 m/s. Kara’s mouth is145 cm above the ground when she catches the M&M. Whatheight above the ground did the M&M leave Sofia’s hand?Hint: Remember, even though the motion in the horizontaldirection is independent of the motion in the vertical direc-tion, they share the same time.11 5. A fire hose held near the ground shoots water at a speed of 6.8 m/s. At what angle, approximately, should the nozzle point in order for the water to land 4.0 m away? ل ما 4 =1.7 6.8mls 8 4.0m 2 Xf = yot Kixt + ½art ² A) 13° (B) 29° C) 77° D) 57.9⁰ E) none of the above 06.8) (17) + 12 (9.8) (1.2) ²
- -20. Two cyclists, Mike and Josh, simultaneously started toward each other from two towns d = 24 km apart. Josh rode at vj = 25 km/h, and Mike %3D at UM = 15 km/h. The moment they start, a fly also starts from Josh towards Mike and after reaching Mike, immediately returns towards Josh. The fly continues back and forth motion between the cyclists till the cyclists meet. Air speed of fly is UF = 30 km/h and the wind blows always towards Mike with a constant velocity u = 10 km/h. Find the total distance s flown by the fly. Sneedometer shows speed and odometer shows distance travelled, bothA projectile is fired with an initial velocity of 1000 m/s at an angle of 370 above the horizontal. If air is neglected, the horizontal component of the projectile's velocity after 20 s is: O 16 m/s O 640 m/s O 800 m/s O 600 m/sPaul is standing outside the Physics laboratory 7 meters from the wall. Peter, by a window 5 meters above the ground, tosses a ball horizontally. Find the speed that Peter should give the ball for it to reach Paul.
- A projectile is projected from the origin with a velocity of 47M/S at an angle of 25° above the horizontal. What is the range of the projectile answer in meteDaniel takes his two dogs, Pauli the Pointer and Newton the Newfoundland, out to a field and lets them loose to exercise. Both dogs sprint away in different directions while Daniel stands still. From Daniel's point of view, Newton runs due North at 4.65 m/s, but from Pauli's point of view, Newton appears to be moving at 2.10 m/s due East. What must Pauli's velocity relative to Daniel be for this to be true? Express your answer in terms of the x- and y-components if North is the +y-direction and East is the +x-direction. x-component: m/s Y-component: m/s Express your answer as a magnitude and an angle measured counter-clockwise from due East. magnitude & direction: at a angle counter-clockwise from due East1) A fighter plane moving 200 m/s horizontally fires a projectile with speed 50.0 m/s in a forward direction 30.0e below the horizontal. What is the speed of the projectile with respect to a stationary observer on the ground?
- A projectile is projected from the origin with a velocity of 35m/s at an angle of 33 degrees above the horizontal. What is the range of the projectile? (Answer in Meter)Calculate vz, the x component of the velocity of the particle. Express your answer in meters per second.Two projectiles are fired, one with velocity voi making an angle and the other with velocity v02 making an angle ✪ (0₁ >ę ). Show that if they are to collide in midair the time interval between the two firings must be 20102 sin(0₁-0₂) g(vol cos@₁ +V02 Cos ₂)