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1. ### can someone please try and help me with this physics question?

Constant horizontal velocity vx = 20.0cos40 = 15.32 m/ s Initial vertical velocity vy₀ = 20.0sin40 = 12.86...ball land? the horizontal analysis looks thus s = 0 + 15.32(3.92) + ½(0)3.92² s = 60...

1 Answers · Science & Mathematics · 19/10/2020

2. ### Physics question ?

net force = weight - electrostatic force m*a = m*g - qV/d q = m*(g - a)*d / V q = 1.50e-14kg * (9.81 - 1.80)m/s² * 0.0940m / 980V q = 1.15e-17 C (an excess of 72 electrons) Not much of a diagram; just the weight down (m*g) and the electrostatic force up (q*E = q*V/d; the field...

3 Answers · Science & Mathematics · 19/10/2020

3. ### Physics question ?

...magnetic field is pointing in a perpendicular direction to that of the ion' s velocity when it enters the magnetic field..  You know from Lorenz...

1 Answers · Science & Mathematics · 19/10/2020

4. ### imagine a 10,500kg satllite in a geosynchronous otbit. If an 165kg piece of space junk floats by at a distance of 3.5 m what force will the ?

...kg d=3.5 m force=9.43*10^(-6) N acceleration=force/mass= 5.72 x 10^(-8) m/ s ^2 acceleration of satellite=force/mass of satellite= 8.98 x 10^(-10) m/ s ^2 Please...

1 Answers · Science & Mathematics · 19/10/2020

5. ### PHYSICS QUESTION! Help?!!?

We can solve this in two ways. In any case, the point is the conservation of momentum. The bomb was initially at rest, so the momentum was 0. In order to stay so, the momentum of the third piece must counterbalance the vector sum of momentums of the other two...

2 Answers · Science & Mathematics · 19/10/2020

6. ### Physics question pls help!?

... = 2(0.80)/2.0² = 0.4 m/s² v = at = 0.4(2) = 0.8 m/ s conservation of momentum during the impact 0.025u + 25.0(0) = (25.0 + 0.025)(0.8) u = 800...

2 Answers · Science & Mathematics · 19/10/2020

An impulse results in a change of momentum FΔt = mΔv  F = m(vf - vi) / (tf - ti) F = 0.400(100.0 - (-50.0)) / (0.025 - 0.00) = 2400 N Please remember to select a Best Answer from among your results.

1 Answers · Science & Mathematics · 19/10/2020