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An apple crate with a mass of 20 kg stands on a frictionless horizontal surface. A force F = 14.5 N is applied to the crate, forming an angle of 19o with the horizontal.
1. what is the horizontal acceleration of the crate?
2. what is the normal force exerted by the surface on the crate?
3. what is the velocity of the crate after 10s?
Multiple Concept Example 4 and Interactive LearningWare 6.2 review the concepts that are important in this problem. What is the final speed of the probe
What is the kinetic energy of an ideal projectile of mass 15.3 kg at an apex (highest point) of its trajectory, if it was launched with an initial speed of 42.5 m/s and an initial angle of 41.5° respecting the horizontal.
A 10 g bullet traveling at 440m/s strikes a 7.0kg , 1.2-m-wide door at the edge opposite the hinge. What is the angular velocity of the door just after impact
A vertical spring (spring constant = 119 N/m) is mounted on the floor. A 0.390 kg block is placed on top of the spring and pushed down to start it oscillating in simple harmonic motion. The block is not attached to spring.
Three resistors are connected to a in series with a 19 V ideal battery, What is the current coming out of the battery
A 900 kg car travelling east at 15 m/s collides with 750 kg travelling north at 20 m/s. what is the speed of the wreckage
At a recent rock concert, a dB meterregistered110dB when placed2.00m in front of a loudspeaker on the stage. What was the power output of the speaker
An electron is released from rest in a uniform electric field and accelerates to the north at a rate of 180m/s^2. What is the magnitude of the electric field in (N/C)? What is the direction of the electric field?
q1. an aluminium block of mass m1 3 kg and a copper block of mass m2 8 kg are connected by a light string over a
A bowling ball of mass 6.00 kg rests in a groove with smoth, perpendicular walls, inclined at angles of 30.0 degrees (theta). find the normal forces at the left and right points of contact
An initially motionless test car is accelerated uniformly to 145km/h in 8.28s before striking a simulated deer. The car is in contact with the faux fawn for .815s, after which the car is measured to be traveling at 82.0km/h. What is the magnitude ..
A metal wire of resistance R is cut into three equal pieces that are then braided together side by side to form a new cable with length equal to one-third of the original length
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