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javane
Questions (15)
Design a program that lets the user enter the total rainfall for each 12 months into an array. The program should calculate and
2 answers
3,164 views
Divers in Acapulco dive from a cliff that is 56 m high. If the rocks below the cliff extend outward for 23 m, what is the
1 answer
799 views
An airplane traveling 1015 m above the ocean at 115 km/h is going to drop a box of supplies to shipwrecked victims below.
(a) How
2 answers
943 views
An automobile wheel with a 9.00-cm radius and the radius to the rim is 7cm, as shown below, rotates at 2.50 rad/s. How fast does
1 answer
1,680 views
An athlete whirls in a 7.10-kg hammer tied to the end of a 1.2 m chain in a horizontal circle, as shown in the figure below. The
4 answers
1,492 views
A propeller slows from 490 rev/min to 177 rev/min in 3.50 s. What is its angular acceleration?
3 answers
943 views
The outer edge of a truck tire that has a radius of 25 cm has a velocity of 26 m/s. What is the angular velocity of the tire in
2 answers
1,523 views
A 873-kg (1930-lb) dragster, starting from rest completes a 403.7-m (0.2523-mile) run in 4.920 s. If the car had a constant
2 answers
981 views
Rocket-powered sleds are used to test the responses of humans to acceleration. Starting from rest, one sled can reach a speed of
1 answer
4,712 views
The driver of a car going 90.0 km/h suddenly sees the lights of a barrier 35.0 m ahead. It takes the driver 0.75 s to apply the
3 answers
1,832 views
A helicopter is rising at 5.5 m/s when a bag of its cargo is dropped. (Assume that the positive direction is upward.)
(a) After
1 answer
1,671 views
Engineers are developing new types of guns that might someday be used to launch satellites as if they were bullets. One such gun
1 answer
545 views
A 1.0-kg mass (mA) and a 7.0-kg mass (mB) are attached to a lightweight cord that passes over a frictionless pulley. The hanging
2 answers
2,536 views
An 879-kg (1943 lb) dragster, starting from rest, attains a speed of 25.6 m/s (57.3 mph) in 0.59 s.
(a) Find the average
1 answer
879 views
A car is coasting backwards downhill at a speed of 3.2 m/s when the driver gets the engine started. After 2.5 s, the car is
1 answer
860 views
Answers (1)
thnak you i have the equation studied now
