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Tough questions made easy

Question:

A jungle safari jeep is moving on a straight road in a national park with a velocity of (5.0 m/s) î. On seeing an elephant ahead, the driver applies break and the jeep comes to rest in 2.0 s. Calculate the acceleration of the jeep.

Chegg's answer:

Initially the jeep is moving with some initial velocity ⃗u. After applying brakes, the jeep decelerates and stops after time t. Draw a diagram to show the motion and the direction of constant acceleration a of the jeep. Take the unit vector î along...