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A 200-g block is pressed against a spring of force constant 1.40 kN/m until the block compresses the spring 10.0 cm. The spring rests at the bottom of a ramp inclined at 60.0° to the horizontal. Using energy considerations, determine how far up the incline the block moves before it stops (a) if there is no friction between the block and the ramp and (b) if the coefficient of kinetic friction is 0.400
A spring (spring constant = 80.0 N/m) is mounted on the floor and it oriented vertically. A 0.600-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 the spring.
A charge of ?3.00nC is placed at the origin of an xy-coordinate system, find the x and y components of the total force and Find the direction of this force
How much work does she do on the box of paper?
a concave spherical mirror forms an inverted image 4.00 times larger than the object. assuming the distance between
A 69.00 kg person on skis is going down a hill sloped at 30° from the horizontal. The coefficient of friction between the skis and the snow is 0.20. What would be magnitude of the acceleration.
The speed of a bobsled is increasing, because it has anacceleration of 2.4 m/s2. estimate the magnitude of the net force that acts on the bobsled
It was a rainy day and the coefficient of friction was estimated to be 0.42. Use these data to determine the speed of the car while the driver slammed on (and locked) the brakes.
Rocky's base metabolic rate is 100 W (when not exercising). He weighs 80 kg. This morning, he climbed stairs 25-cm high at the rate of 140 steps per minute for 30 minutes on a Stairmaster. How much energy did he burn (in J and in kWh)
when a resistor is connected to a 10v source it draws a 185ma current. the same resistor connected to a 96v source
An indestructible bullet, 2cm long, is fired straight through a board which is 10 cm thick. What is the total time the bullet is in contact with the board
What is the length of the shadow cast on the vertical screen by your 9 cm hand if it is held at an angle of 20 above horizontal.
What is the magnitude of the maximum torque. What is the utmost load for this crane at an angle of 15° with the horizontal.
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