So my Physics teacher assigned us 15 problems and these are 3 that i have not been able to figure out, i've been trying to do these for over an hour and a half.(adsbygoogle = window.adsbygoogle || []).push({});

A bird watcher meanders through the woods, walking 1.48 km due east, 0.269 km due south, and 2.10 km in a direction 62.3 ° north of west. The time required for this trip is 0.9342 h. Determine the magnitudes of the bird watcher's (a) displacement and (b) average velocity.

ok so so i'll be using R^2= deltax^2+deltay^2

but i dont know what to do with the northwest one

A car drives horizontally off the edge of a cliff that is 63.3 m high. The police at the scene of the accident note that the point of impact is 146 m from the base of the cliff. How fast was the car traveling when it drove off the cliff?

I need to find the time it tkaes to hit the ground using delta x=v0t+1/2atsquared, then 146/t and thats my velocity, think

but i dotn know if V0 is zero or not

An eagle is flying horizontally at 6.4 m/s with a fish in its claws. It accidentally drops the fish. (a) How much time passes before the fish's speed doubles? (b) How much additional time would be required for the speed to double again?

I honestly do not have a clue about this one

Any help would be appreciated

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# Help with physics

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