A1.0 kg block is pushed 2.0 m at a constant velocity up a vertical wall by a constant force applied at an angle of 29.0 ◦ with the horizontal, as shown in the figure. the acceleration of gravity is 9.81 m/s 2 . if the coefficient of kinetic friction between the block and the wall is 0.20, find a) the work done by the force on the block. answer in units of j. b) the work done by gravity on the block. c) the magnitude of the normal force between the block and the wall. answer in units of n
Answers: 1
Physics, 21.06.2019 20:00
Player kicks a soccer ball from ground level and sends it flying at an angle of 30 degrees at a speed of 26 m/s. what is the horizontal velocity component of the ball to the nearest tenth of a m/s?
Answers: 2
Physics, 22.06.2019 07:50
Calculate the ratio of h+ ions to oh– ions at a ph = 6. find the concentration of h+ ions to oh– ions listed in table b of your student guide. then divide the h+ concentration by the oh– concentration. record this calculated ratio in table a of your student guide. compare your approximated and calculated ratios of h+ ions to oh– ions at a ph = 6. are they the same? why or why not? record your explanation in table a. what is the concentration of h+ ions at a ph = 6? mol/l what is the concentration of oh– ions at a ph = 6? mol/l what is the ratio of h+ ions to oh– ions at a ph = 6? : 1
Answers: 1
Physics, 22.06.2019 10:00
** urgent** the voltage across the primary winding is 350,000 v, and the voltage across the secondary winding is 17,500 v. if the secondary winding has 600 coils, how many coils are in the primary winding? a- 30 coilsb- 583 coilsc- 12,000 coilsd- 332,500 coils
Answers: 1
A1.0 kg block is pushed 2.0 m at a constant velocity up a vertical wall by a constant force applied...
Advanced Placement (AP), 18.03.2021 02:00
Chemistry, 18.03.2021 02:00
Mathematics, 18.03.2021 02:00
Mathematics, 18.03.2021 02:00
History, 18.03.2021 02:00
English, 18.03.2021 02:00
Advanced Placement (AP), 18.03.2021 02:00
Mathematics, 18.03.2021 02:00
History, 18.03.2021 02:00
Mathematics, 18.03.2021 02:00