 Lv 1208 points

Respuestas favoritas2%
Respuestas48
Preguntas6
• ### Is the future brighter for the engineering field or supply chain management? I need help deciding my major?

4 respuestasEngineeringhace 4 meses
• ### The figure gives the acceleration of a 3.0 kg particle as an applied force moves it from rest along an x axis from x = 0 to x = 9.0 m. ?

The scale of the figure's vertical axis is set by as = 7.0 m/s2. How much work has the force done on the particle when the particle reaches (a) x = 4.0 m, (b) x = 7.0 m, and (c) x = 9.0 m? What is the particle's speed and direction (give positive answer if the particle moves along x axis in positive direction and negative otherwise) of travel when it reaches (d) x = 4.0 m, (e) x = 7.0 m, and (f) x = 9.0 m?

1 respuestaPhysicshace 6 meses
• ### The figure below gives spring force Fx versus position x for the spring–block arrangement of the second figure. ?

The scale is set by Fs = 200 N. We release the block at x = 16.0 cm. How much work does the spring do on the block when the block moves from xi = +9.0 cm to (a) x = +5.0 cm, (b) x = -5.0 cm, (c) x = -9.0 cm, and (d) x = -11.0 cm?

1 respuestaPhysicshace 6 meses
• ### A father racing his son has 1/3 the kinetic energy of the son, who has 1/2 the mass of the father. ?

The father speeds up by 1.4 m/s and then has the same kinetic energy as the son. What are the original speeds of (a) the father and (b) the son?

2 respuestasPhysicshace 6 meses
• ### only two forces act on a 2.7 kg object that moves with an acceleration of 3.5 m/s2 in the positive direction of a y-axis.?

if one of the forces acts in the positive direction of an x-axis and has a magnitude of 8.5 N, what is the magnitude of the other force?

2 respuestasPhysicshace 6 meses
• ### Calculate the number of moles of each of the ions in the following solution: 54.7 mL of 0.789 M CaCl2 Ca and Cl?

1 respuestaChemistryhace 6 meses
• ### Some of the acid in acid rain is produced by the following reaction: 3NO2(g) + H2O(l ) >  2HNO3(aq) + NO(g)?

If a falling raindrop weighing 0.033 g comes into contact with 6.8 mg of NO2(g), how many milligrams of HNO3 can be produced?

1 respuestaChemistryhace 6 meses
• ### A 12 N horizontal force F pushes a block weighing 4.4 N against a vertical wall (see the figure).?

1 respuestaPhysicshace 6 meses
• ### There are two forces on the 1.59 kg box in the overhead view of the figure but only one is shown. For F1 =22.2 N, a = 11.8 m/s2, and θ=33.5°?

find the second force (a) in unit-vector notation and as (b) a magnitude and (c) a direction. (State the direction as a negative angle measured from the +x direction.)

2 respuestasPhysicshace 7 meses
• ### There are two forces on the 1.59 kg box in the overhead view of the figure but only one is shown. For F1 =22.2 N, a = 11.8 m/s2, and θ=33.5°?

1 respuestaPhysicshace 7 meses
• ### Formula of tension magnitude in relation to Mg? 1) Mg/4 2) 2Mg 3) Mg 4) 4Mg Correct answer?

1 respuestaPhysicshace 7 meses
• ### A skier (m =75kg) slides down a hill at angle 30 horizontally. Wind results in a force of 50N acting on the skier opposite to his motion.?

2 respuestasPhysicshace 7 meses
• ### How much heat, in joules and in calories, must be removed from 3.89 mol of water to lower its temperature from 23.6 to 11.4°C?

1 respuestaChemistryhace 7 meses
• ### Does Ca^2+(aq) + CO3^2-(aq) > CaCO3(s) contain reduction ?

1 respuestaChemistryhace 7 meses
• ### At one instant a bicyclist is 39.0 m due east of a park's flagpole, going due south with a speed of 13.0 m/s.?

2 respuestasPhysicshace 7 meses
• ### A particle leaves the origin with an initial velocity?

Physicshace 7 meses
• • 