A 1000-kg car traveling west at 30 m/s collides with a 1000-kg truck traveling south at 20 m/s. The occupants, wearing seat belts, are uninjured, but the two vehicles move away from the impact point as one. The insurance adjustor asks you to find the velocity of the wreckage just after impact.

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Q: An electron is accelerated by a constant electric field of magnitude 290 N/C. (a) Find the accelerat...

A: The answers are below

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A: Answe:- R  

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Q: 4. A small plastic box with a mass of 0.300 kg revolves uniformly in a circle on a horizontal fricti...

A: Given: Mass (m) = 0.300 kg  Radius (r) = 0.150 m  Angular velocity ( w)= (2 π x 2 ) rad/s      

Q: 7) The figure below shows a conical pendulum. It consists of a bob is suspended at the end of a stri...

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Q: A large object of mass m = 10 kg is initially at rest. It splits into two unequal pieces. The smalle...

A: Here, we calculate the given as follow;

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Q: A faulicli ecatal al xen at t t:0. ou mautng ala ae thus itocity of paviliele Va wilth tiis as is a ...

A: Since, it is given that:- v=kx   where, k=constant.   Since, acceleration(a) is given by:- a=vdvdx H...

Q: An alpha particle, which has charge 3.20 x 10-19 c, is moved from point A, where the electric potent...

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Q: 1. A driver is travelling with a speed of 31 km/hr when he accelerates for 4.7 s, his speed has been...

A: In this question we have to find the acceleration and distance travelled. Please give positive feedb...

Q: Consider the following figure. 7.00 2 4.00 Ω 9.00 Ω R (a) Find the equivalent resistance between poi...

A: Given  R = 13.0 ohm  V = 50.0 V 

Q: A sphere of radius R has a density p. What would be the density of a sphere with the same mass and a...

A: Density is defined as the mass per unit volume.  i.e.   ρ=mV    Here ρ is the density.            m ...

Q: You connect five identical resistors in series to a battery whose EMF is 12.0 V and whose internal r...

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Q: In uniform circular motion, which of the following are constant: speed velocity angular velocity ce...

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Q: An archer aims at a target that is a horizontal distance 55.0 m away and 5.0 m above the ground. The...

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Q: 1- Three vectors, a = 6î +2ĵ – 4k , b = -3î +4j + 2k , č =6î +73+3k , Find the following: a) За b) c...

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Q: A spherical shell of radius 3.09 cm and a sphere of radius 7.47 cm are rolling without slipping alon...

A: Here, we calculate the given as follow;

Q: 4. A unifom electric field has a magnitude of 6 N/C is directed downward. Solve for th magnitude and...

A: Part (2): Given:    The strength of the electric field is 6 N/C is directed downward. The charge of ...

Q: tionar 4. A compound particle caries a charge of +1x10-6m and-1x10-6m with a distance separation of ...

A: dipole moment =qd

Q: The figure below is for a mass/spring system. The mass is 0.6 kg. v(m/s) 20.0 15.0 10.0 S0 -5.0 -10....

A: NOTE: Since, you have asked multiple sub-parts we can answer only first three sub-parts according to...

Q: Final answers should be in two decimal places only. Include proper substitution and cancellation of ...

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Q: 9) What is the total initial acceleration of a tether ball on a 2.0 m rope whose angular velocity ch...

A: Given,       ωi = 13.0 rad/sωf = 7 rad/st = 15 sec            

Q: Ashman pulls a 4.5 kg bucket of water from a well of 2.8 m depth by a rope. Draw a labeled free-body...

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Q: Five marathon runners are running at 2.36 m/s, 2.47 m/s, 2.61 m/s, 2.55 m/s, and 2.46 m/s respective...

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Q: 7.39 • A block with mass 0.50 kg is forced against a horizontal spring of negligible mass, compressi...

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Q: 5. A ladder whose lenght is 12 m and whose mass is 45 kg rest against the wall. Its upper end is 9.3...

A: The length of third side and forces are shown

Q: Three point charges lie on the x axis: q1 = 2.00 µC is at x = 0; q2 = 4.00 µC is at x = 2.00 m; q3 i...

A: Given  Charge q1 = 2.0 uC   at x = 0  Charge q2 = 4.0 uC at x = 2.0 m  Charge q3 = Q at x = 4.0 m  N...

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Q: A delivery man starts at the post office, drives 40 km north, then 20 km west, then 60 km northeast,...

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Q: On the basketball court, you throw a ball straight down to the ground. The ball leaves your hand fro...

A: height from ball leaves h = 65.0 cm = 0.65 m initial speed of ball u =11.0 m/s

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Q: If two balls are released simultaneously from the same height, which one will hit the floor first, t...

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Q: 5) sprinter running on a circular track has a velocity of constant magnitude 9.20 m/s and a centripe...

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Q: 13. When a piece of paper is held with one face perpendicular to a uniform electric field, the flux ...

A: