Physics, 23.04.2021 23:20, armstrongstang420
What is the total amount of heat needed to change 3,793 g of an unknown substance at 0°C to 146.4 °C? The specific heat of the substance is 0.399 J/g.°C. Round to the nearest whole number.
Answers: 1
Physics, 21.06.2019 21:40, 2003loganreed
Avery hard rubber ball (m = 0.5 kg) is falling vertically at 4 m/s just before it bounces on the floor. the ball rebounds back at essentially the same speed. if the collision with the floor lasts 0.05 s, what is the average force exerted by the floor on the ball?
Answers: 3
Physics, 21.06.2019 23:00, yourgirlnevaeh
For general projectile motion, when the projectile is at the highest point of its trajectory, its acceleration is zero? a)the horizontal and vertical components of its velocity are zero. b) its velocity is perpendicular to the acceleration. c)the horizontal component of its velocity is zero. d)its velocity and acceleration are both zero.
Answers: 1
Physics, 22.06.2019 11:00, stankyweezle
A0.580-kg rock is tied to the end of a string and is swung in a circle with a radius of 0.500 meters. the velocity of the rock is 4.50 m/s. what is the centripetal force acting on the rock? 15.5 n 5.22 n 69.8 n 23.5 n
Answers: 3
Physics, 22.06.2019 18:30, Kittylover65
Blood pressure the total amount of blood the heart pumps in one minute 2. cardiac output the number of times your heart beats in a minute 3. dilate the amount of blood that the heart can pump in a single beat 4. heart rate the force exerted on the walls of the blood vessels by the blood that moves through them 5. stroke volume to widen or get larger in size
Answers: 3
What is the total amount of heat needed to change 3,793 g of an unknown substance at 0°C to
146.4...
English, 04.06.2021 19:50
Mathematics, 04.06.2021 19:50
History, 04.06.2021 19:50
Health, 04.06.2021 20:00
Biology, 04.06.2021 20:00
Mathematics, 04.06.2021 20:00
Mathematics, 04.06.2021 20:00
Mathematics, 04.06.2021 20:00