Car A is going  45 mph and is decelerating at 450 mi/hr^2 Car B is going around the corner at a constant speed of 25 mph. find mag of relative acceleration of B to A Draw accel vectors

Draw a motion diagram for the part of the jump where the person is in the air. Indicate an acceleration vector, if the acceleration is not zero.

4. A particle travels along the circular path from A to B in Is. If it takes 3s for it to go from A to C, determine its average velocity when it goes from B to C. 30 30 m

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find the initial velocity and max displacement the ball can travel with different angles, the angles are 30,40and50.(change the angle to 40 then find new t and R’)and change the angle to 50 as well. the height of ball is 144.06 when it's 30 degree. the height of ball is 166.11 when it's 40 degree. the height of ball is 184.50when it's 50 degree. Length is 200mm not (170.6mm) --->(17.06cm)

The house, school, and diner are on the same street. The house is 820 ft from the school and 0.6 miles from the diner. Assume the positive direction is to the LEFT ←. If you start from the diner, head to the house, and then go back to the diner in 2 hr., what is your average velocity in cm/s to two significant figures? HH 188 A. 0.6 cm/s B. 26.8 cm/s C.-27 cm/s D. 0.0 cm/s E. none of the above SCHOOL DINER

QUESTION 15 If the velocity of an object is zero at some point, then its acceleration must also be zero at that point. O True O False QUESTION 16 Suppose that an object travels from one point in space to another. Make a comparison between the magnitude of the displacement and the distance traveled by this object O A. The magnitude of the displacement can be either greater than, smaller than, or equal to the distance traveled. O B. The magnitude of the displacement is either less than or equal to the distance traveled OC The magnitude of the displacement is always equal to the distance traveled. O D. The magnitude of the displacement is either greater than or equal to the distance traveled. QUESTION 17 Shown below are the velocity and acceleration vectors for an object in several different types of motion. In which case is the object slowing down and turning to its ri OA. ick Save and Submit to save and submit. Click Save All Answers to save all answers. Type here to search

Question-uhat does this parabolic veloci ty vs. time graph tell you about the acceleration of the okject? Time options A. Thele is not enough info to determine B. The acceleation is constant C the acceelecation is increasing D The acceleration is decreasing Question-A submarine is traveling at the surface along astraight line path Cpositi ve x direction) at a sped of 25 knol's (13 imS). A shie spots the submarine t fives a for pedo, which travelk at a speed of 40 knots (21 n/s). at 20° measured counterclocklwise relative to a line prpendicular to the path of the submarine Cnegative y-diredion), heading toward s the submarine what is the veloàig of the submarine relative to the torpedo? phanS AZ= 620:29 -19,73) m/s B.V= (20,21.t19.75) m/s C= L-5,929 -1973) m/3 D. Ja (5,929 +19.5) m/s

Acceleration is positive if.. A) the object is speeding up only  B) the object is slowing down C) the instantaneous velocity is in the positive direction D) the acceleration vector is pointing in the direction of the positive coordinate axis

You get in your car and drive north, accelerating up to 60mph. Draw your velocity vector and acceleration vector some time during your acceleration. How would these change if you encountered traffic and started to brake?