Physics, 22.01.2020 23:31, cuppykittyy
An arrow is shot from a height of 1.95 m toward a cliff of height h. it is shot with a velocity of 29 m/s at an angle of 60â° above the horizontal. it lands on the top edge of the cliff 3.8 s later.
a) what is the height of the cliff (in m)?
(b) what is the maximum height (in m) reached by the arrow along its trajectory?
(c) what is the arrow's impact speed (in m/s) just before hitting the cliff?
Answers: 1
Physics, 21.06.2019 22:00, westes0376
Orque can be calculated by multiplying the force (n) applied at 90? to the lever arm at a distance (m) from the pivot point (point of rotation), the compound si unit for the torque is n? m. if the force (at 90? to the lever arm) applied is 15 n and it is applied at 2.0 m from the pivot point (point of rotation), what is the torque on the lever?
Answers: 3
Physics, 22.06.2019 05:10, zionnahl
Total solidification times of three casting geometries are to be compared: a sphere, a cylinder, in which the length-to-diameter ration - 1.0, and a cube. volume = 1000 cm^3 for all three shhapes, and the same casting alloy is used. a) determine the solidification times of each geometry b) based on the results of part (a), which geometric element would make the best riser? c) if the mold constant = 3.5 min/cm^2 in chvorinov's rule, compute the total solidification time for each casting.
Answers: 3
Physics, 22.06.2019 11:30, georgesarkes12
1. a camcorder has a power rating of 19 watts. if the output voltage from its battery is 7 volts, what current does it use?answer units 2. a 1.5m wire carries a 6 a current when a potential difference of 57 v is applied. what is the resistance of the wire? your
Answers: 2
Physics, 22.06.2019 20:30, mooreadrian412
You are doing a science experiment with a fahrenheit thermometer. your data must be in degrees celsius. if you measure a temperature of 125°f, what is this temperature in degrees celsius
Answers: 1
An arrow is shot from a height of 1.95 m toward a cliff of height h. it is shot with a velocity of 2...
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